20416604880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1\times {\mathrm{491}}^1$

素因数の和:1034

約数の個数: 320

約数和(自身を含む): 74006120448

約数和(自身を除く): 53589515568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 105, 106, 112, 120, 140, 159, 168, 210, 212, 240, 265, 280, 318, 336, 371, 420, 424, 467, 491, 530, 560, 636, 742, 795, 840, 848, 934, 982, 1060, 1113, 1272, 1401, 1473, 1484, 1590, 1680, 1855, 1868, 1964, 2120, 2226, 2335, 2455, 2544, 2802, 2946, 2968, 3180, 3269, 3437, 3710, 3736, 3928, 4240, 4452, 4670, 4910, 5565, 5604, 5892, 5936, 6360, 6538, 6874, 7005, 7365, 7420, 7472, 7856, 8904, 9340, 9807, 9820, 10311, 11130, 11208, 11784, 12720, 13076, 13748, 14010, 14730, 14840, 16345, 17185, 17808, 18680, 19614, 19640, 20622, 22260, 22416, 23568, 24751, 26023, 26152, 27496, 28020, 29460, 29680, 32690, 34370, 37360, 39228, 39280, 41244, 44520, 49035, 49502, 51555, 52046, 52304, 54992, 56040, 58920, 65380, 68740, 74253, 78069, 78456, 82488, 89040, 98070, 99004, 103110, 104092, 112080, 117840, 123755, 130115, 130760, 137480, 148506, 156138, 156912, 164976, 173257, 182161, 196140, 198008, 206220, 208184, 229297, 247510, 260230, 261520, 274960, 297012, 312276, 346514, 364322, 371265, 390345, 392280, 396016, 412440, 416368, 458594, 495020, 519771, 520460, 546483, 594024, 624552, 687891, 693028, 728644, 742530, 780690, 784560, 824880, 866285, 910805, 917188, 990040, 1039542, 1040920, 1092966, 1146485, 1188048, 1249104, 1375782, 1386056, 1457288, 1485060, 1561380, 1605079, 1732570, 1821610, 1834376, 1980080, 2079084, 2081840, 2185932, 2292970, 2598855, 2732415, 2751564, 2772112, 2914576, 2970120, 3122760, 3210158, 3439455, 3465140, 3643220, 3668752, 4158168, 4371864, 4585940, 4815237, 5197710, 5464830, 5503128, 5940240, 6245520, 6420316, 6878910, 6930280, 7286440, 8025395, 8316336, 8743728, 9171880, 9630474, 10395420, 10929660, 11006256, 12152741, 12840632, 13757820, 13860560, 14572880, 16050790, 18343760, 19260948, 20790840, 21859320, 24076185, 24305482, 25681264, 27515640, 32101580, 36458223, 38521896, 41581680, 43718640, 48152370, 48610964, 55031280, 60763705, 64203160, 72916446, 77043792, 85069187, 96304740, 97221928, 121527410, 128406320, 145832892, 170138374, 182291115, 192609480, 194443856, 243054820, 255207561, 291665784, 340276748, 364582230, 385218960, 425345935, 486109640, 510415122, 583331568, 680553496, 729164460, 850691870, 972219280, 1020830244, 1276037805, 1361106992, 1458328920, 1701383740, 2041660488, 2552075610, 2916657840, 3402767480, 4083320976, 5104151220, 6805534960, 10208302440, 20416604880]

約数ペア:

[(1, 20416604880), (2, 10208302440), (3, 6805534960), (4, 5104151220), (5, 4083320976), (6, 3402767480), (7, 2916657840), (8, 2552075610), (10, 2041660488), (12, 1701383740), (14, 1458328920), (15, 1361106992), (16, 1276037805), (20, 1020830244), (21, 972219280), (24, 850691870), (28, 729164460), (30, 680553496), (35, 583331568), (40, 510415122), (42, 486109640), (48, 425345935), (53, 385218960), (56, 364582230), (60, 340276748), (70, 291665784), (80, 255207561), (84, 243054820), (105, 194443856), (106, 192609480), (112, 182291115), (120, 170138374), (140, 145832892), (159, 128406320), (168, 121527410), (210, 97221928), (212, 96304740), (240, 85069187), (265, 77043792), (280, 72916446), (318, 64203160), (336, 60763705), (371, 55031280), (420, 48610964), (424, 48152370), (467, 43718640), (491, 41581680), (530, 38521896), (560, 36458223), (636, 32101580), (742, 27515640), (795, 25681264), (840, 24305482), (848, 24076185), (934, 21859320), (982, 20790840), (1060, 19260948), (1113, 18343760), (1272, 16050790), (1401, 14572880), (1473, 13860560), (1484, 13757820), (1590, 12840632), (1680, 12152741), (1855, 11006256), (1868, 10929660), (1964, 10395420), (2120, 9630474), (2226, 9171880), (2335, 8743728), (2455, 8316336), (2544, 8025395), (2802, 7286440), (2946, 6930280), (2968, 6878910), (3180, 6420316), (3269, 6245520), (3437, 5940240), (3710, 5503128), (3736, 5464830), (3928, 5197710), (4240, 4815237), (4452, 4585940), (4670, 4371864), (4910, 4158168), (5565, 3668752), (5604, 3643220), (5892, 3465140), (5936, 3439455), (6360, 3210158), (6538, 3122760), (6874, 2970120), (7005, 2914576), (7365, 2772112), (7420, 2751564), (7472, 2732415), (7856, 2598855), (8904, 2292970), (9340, 2185932), (9807, 2081840), (9820, 2079084), (10311, 1980080), (11130, 1834376), (11208, 1821610), (11784, 1732570), (12720, 1605079), (13076, 1561380), (13748, 1485060), (14010, 1457288), (14730, 1386056), (14840, 1375782), (16345, 1249104), (17185, 1188048), (17808, 1146485), (18680, 1092966), (19614, 1040920), (19640, 1039542), (20622, 990040), (22260, 917188), (22416, 910805), (23568, 866285), (24751, 824880), (26023, 784560), (26152, 780690), (27496, 742530), (28020, 728644), (29460, 693028), (29680, 687891), (32690, 624552), (34370, 594024), (37360, 546483), (39228, 520460), (39280, 519771), (41244, 495020), (44520, 458594), (49035, 416368), (49502, 412440), (51555, 396016), (52046, 392280), (52304, 390345), (54992, 371265), (56040, 364322), (58920, 346514), (65380, 312276), (68740, 297012), (74253, 274960), (78069, 261520), (78456, 260230), (82488, 247510), (89040, 229297), (98070, 208184), (99004, 206220), (103110, 198008), (104092, 196140), (112080, 182161), (117840, 173257), (123755, 164976), (130115, 156912), (130760, 156138), (137480, 148506)]