20080332020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1\times {\mathrm{4657}}^1$

素因数の和:6313

約数の個数: 96

約数和(自身を含む): 50771454720

約数和(自身を除く): 30691122700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1621, 2660, 3242, 4657, 6484, 8105, 9314, 11347, 16210, 18628, 22694, 23285, 30799, 32420, 32599, 45388, 46570, 56735, 61598, 65198, 88483, 93140, 113470, 123196, 130396, 153995, 162995, 176966, 215593, 226940, 307990, 325990, 353932, 431186, 442415, 615980, 619381, 651980, 862372, 884830, 1077965, 1238762, 1769660, 2155930, 2477524, 3096905, 4311860, 6193810, 7548997, 12387620, 15097994, 30195988, 37744985, 52842979, 75489970, 105685958, 143430943, 150979940, 211371916, 264214895, 286861886, 528429790, 573723772, 717154715, 1004016601, 1056859580, 1434309430, 2008033202, 2868618860, 4016066404, 5020083005, 10040166010, 20080332020]

約数ペア:

[(1, 20080332020), (2, 10040166010), (4, 5020083005), (5, 4016066404), (7, 2868618860), (10, 2008033202), (14, 1434309430), (19, 1056859580), (20, 1004016601), (28, 717154715), (35, 573723772), (38, 528429790), (70, 286861886), (76, 264214895), (95, 211371916), (133, 150979940), (140, 143430943), (190, 105685958), (266, 75489970), (380, 52842979), (532, 37744985), (665, 30195988), (1330, 15097994), (1621, 12387620), (2660, 7548997), (3242, 6193810), (4657, 4311860), (6484, 3096905), (8105, 2477524), (9314, 2155930), (11347, 1769660), (16210, 1238762), (18628, 1077965), (22694, 884830), (23285, 862372), (30799, 651980), (32420, 619381), (32599, 615980), (45388, 442415), (46570, 431186), (56735, 353932), (61598, 325990), (65198, 307990), (88483, 226940), (93140, 215593), (113470, 176966), (123196, 162995), (130396, 153995)]