20201512240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1123}}^1$

素因数の和:1516

約数の個数: 240

約数和(自身を含む): 59058907488

約数和(自身を除く): 38857395248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 353, 364, 392, 455, 490, 520, 560, 637, 706, 728, 784, 910, 980, 1040, 1123, 1274, 1412, 1456, 1765, 1820, 1960, 2246, 2471, 2548, 2824, 3185, 3530, 3640, 3920, 4492, 4589, 4942, 5096, 5615, 5648, 6370, 7060, 7280, 7861, 8984, 9178, 9884, 10192, 11230, 12355, 12740, 14120, 14599, 15722, 17297, 17968, 18356, 19768, 22460, 22945, 24710, 25480, 28240, 29198, 31444, 32123, 34594, 36712, 39305, 39536, 44920, 45890, 49420, 50960, 55027, 58396, 62888, 64246, 69188, 72995, 73424, 78610, 86485, 89840, 91780, 98840, 102193, 110054, 116792, 125776, 128492, 138376, 145990, 157220, 160615, 172970, 183560, 197680, 204386, 220108, 224861, 233584, 256984, 275135, 276752, 291980, 314440, 321230, 345940, 367120, 396419, 408772, 440216, 449722, 510965, 513968, 550270, 583960, 628880, 642460, 691880, 715351, 792838, 817544, 880432, 899444, 1021930, 1100540, 1124305, 1167920, 1284920, 1383760, 1430702, 1585676, 1635088, 1798888, 1982095, 2043860, 2201080, 2248610, 2569840, 2774933, 2861404, 3171352, 3576755, 3597776, 3964190, 4087720, 4402160, 4497220, 5153447, 5549866, 5722808, 6342704, 7153510, 7928380, 8175440, 8994440, 10306894, 11099732, 11445616, 13874665, 14307020, 15856760, 17988880, 19424531, 20613788, 22199464, 25767235, 27749330, 28614040, 31713520, 36074129, 38849062, 41227576, 44398928, 51534470, 55498660, 57228080, 72148258, 77698124, 82455152, 97122655, 103068940, 110997320, 144296516, 155396248, 180370645, 194245310, 206137880, 221994640, 252518903, 288593032, 310792496, 360741290, 388490620, 412275760, 505037806, 577186064, 721482580, 776981240, 1010075612, 1262594515, 1442965160, 1553962480, 2020151224, 2525189030, 2885930320, 4040302448, 5050378060, 10100756120, 20201512240]

約数ペア:

[(1, 20201512240), (2, 10100756120), (4, 5050378060), (5, 4040302448), (7, 2885930320), (8, 2525189030), (10, 2020151224), (13, 1553962480), (14, 1442965160), (16, 1262594515), (20, 1010075612), (26, 776981240), (28, 721482580), (35, 577186064), (40, 505037806), (49, 412275760), (52, 388490620), (56, 360741290), (65, 310792496), (70, 288593032), (80, 252518903), (91, 221994640), (98, 206137880), (104, 194245310), (112, 180370645), (130, 155396248), (140, 144296516), (182, 110997320), (196, 103068940), (208, 97122655), (245, 82455152), (260, 77698124), (280, 72148258), (353, 57228080), (364, 55498660), (392, 51534470), (455, 44398928), (490, 41227576), (520, 38849062), (560, 36074129), (637, 31713520), (706, 28614040), (728, 27749330), (784, 25767235), (910, 22199464), (980, 20613788), (1040, 19424531), (1123, 17988880), (1274, 15856760), (1412, 14307020), (1456, 13874665), (1765, 11445616), (1820, 11099732), (1960, 10306894), (2246, 8994440), (2471, 8175440), (2548, 7928380), (2824, 7153510), (3185, 6342704), (3530, 5722808), (3640, 5549866), (3920, 5153447), (4492, 4497220), (4589, 4402160), (4942, 4087720), (5096, 3964190), (5615, 3597776), (5648, 3576755), (6370, 3171352), (7060, 2861404), (7280, 2774933), (7861, 2569840), (8984, 2248610), (9178, 2201080), (9884, 2043860), (10192, 1982095), (11230, 1798888), (12355, 1635088), (12740, 1585676), (14120, 1430702), (14599, 1383760), (15722, 1284920), (17297, 1167920), (17968, 1124305), (18356, 1100540), (19768, 1021930), (22460, 899444), (22945, 880432), (24710, 817544), (25480, 792838), (28240, 715351), (29198, 691880), (31444, 642460), (32123, 628880), (34594, 583960), (36712, 550270), (39305, 513968), (39536, 510965), (44920, 449722), (45890, 440216), (49420, 408772), (50960, 396419), (55027, 367120), (58396, 345940), (62888, 321230), (64246, 314440), (69188, 291980), (72995, 276752), (73424, 275135), (78610, 256984), (86485, 233584), (89840, 224861), (91780, 220108), (98840, 204386), (102193, 197680), (110054, 183560), (116792, 172970), (125776, 160615), (128492, 157220), (138376, 145990)]