20806799520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1\times {\mathrm{2161}}^1$

素因数の和:3735

約数の個数: 192

約数和(自身を含む): 70661493504

約数和(自身を除く): 49854693984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1543, 1560, 2080, 2161, 3086, 3120, 4322, 4629, 6172, 6240, 6483, 7715, 8644, 9258, 10805, 12344, 12966, 15430, 17288, 18516, 20059, 21610, 23145, 24688, 25932, 28093, 30860, 32415, 34576, 37032, 40118, 43220, 46290, 49376, 51864, 56186, 60177, 61720, 64830, 69152, 74064, 80236, 84279, 86440, 92580, 100295, 103728, 112372, 120354, 123440, 129660, 140465, 148128, 160472, 168558, 172880, 185160, 200590, 207456, 224744, 240708, 246880, 259320, 280930, 300885, 320944, 337116, 345760, 370320, 401180, 421395, 449488, 481416, 518640, 561860, 601770, 641888, 674232, 740640, 802360, 842790, 898976, 962832, 1037280, 1123720, 1203540, 1348464, 1604720, 1685580, 1925664, 2247440, 2407080, 2696928, 3209440, 3334423, 3371160, 4494880, 4814160, 6668846, 6742320, 9628320, 10003269, 13337692, 13484640, 16672115, 20006538, 26675384, 33344230, 40013076, 43347499, 50016345, 53350768, 66688460, 80026152, 86694998, 100032690, 106701536, 130042497, 133376920, 160052304, 173389996, 200065380, 216737495, 260084994, 266753840, 320104608, 346779992, 400130760, 433474990, 520169988, 533507680, 650212485, 693559984, 800261520, 866949980, 1040339976, 1300424970, 1387119968, 1600523040, 1733899960, 2080679952, 2600849940, 3467799920, 4161359904, 5201699880, 6935599840, 10403399760, 20806799520]

約数ペア:

[(1, 20806799520), (2, 10403399760), (3, 6935599840), (4, 5201699880), (5, 4161359904), (6, 3467799920), (8, 2600849940), (10, 2080679952), (12, 1733899960), (13, 1600523040), (15, 1387119968), (16, 1300424970), (20, 1040339976), (24, 866949980), (26, 800261520), (30, 693559984), (32, 650212485), (39, 533507680), (40, 520169988), (48, 433474990), (52, 400130760), (60, 346779992), (65, 320104608), (78, 266753840), (80, 260084994), (96, 216737495), (104, 200065380), (120, 173389996), (130, 160052304), (156, 133376920), (160, 130042497), (195, 106701536), (208, 100032690), (240, 86694998), (260, 80026152), (312, 66688460), (390, 53350768), (416, 50016345), (480, 43347499), (520, 40013076), (624, 33344230), (780, 26675384), (1040, 20006538), (1248, 16672115), (1543, 13484640), (1560, 13337692), (2080, 10003269), (2161, 9628320), (3086, 6742320), (3120, 6668846), (4322, 4814160), (4629, 4494880), (6172, 3371160), (6240, 3334423), (6483, 3209440), (7715, 2696928), (8644, 2407080), (9258, 2247440), (10805, 1925664), (12344, 1685580), (12966, 1604720), (15430, 1348464), (17288, 1203540), (18516, 1123720), (20059, 1037280), (21610, 962832), (23145, 898976), (24688, 842790), (25932, 802360), (28093, 740640), (30860, 674232), (32415, 641888), (34576, 601770), (37032, 561860), (40118, 518640), (43220, 481416), (46290, 449488), (49376, 421395), (51864, 401180), (56186, 370320), (60177, 345760), (61720, 337116), (64830, 320944), (69152, 300885), (74064, 280930), (80236, 259320), (84279, 246880), (86440, 240708), (92580, 224744), (100295, 207456), (103728, 200590), (112372, 185160), (120354, 172880), (123440, 168558), (129660, 160472), (140465, 148128)]