20785515530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{6679}}^1$

素因数の和:7383

約数の個数: 64

約数和(自身を含む): 41451056640

約数和(自身を除く): 20665541110

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 647, 962, 1294, 2405, 3235, 4810, 6470, 6679, 8411, 13358, 16822, 23939, 33395, 42055, 47878, 66790, 84110, 86827, 119695, 173654, 239390, 247123, 311207, 434135, 494246, 622414, 868270, 1235615, 1556035, 2471230, 3112070, 3212599, 4321313, 6425198, 8642626, 16062995, 21606565, 32125990, 43213130, 56177069, 112354138, 159888581, 280885345, 319777162, 561770690, 799442905, 1598885810, 2078551553, 4157103106, 10392757765, 20785515530]

約数ペア:

[(1, 20785515530), (2, 10392757765), (5, 4157103106), (10, 2078551553), (13, 1598885810), (26, 799442905), (37, 561770690), (65, 319777162), (74, 280885345), (130, 159888581), (185, 112354138), (370, 56177069), (481, 43213130), (647, 32125990), (962, 21606565), (1294, 16062995), (2405, 8642626), (3235, 6425198), (4810, 4321313), (6470, 3212599), (6679, 3112070), (8411, 2471230), (13358, 1556035), (16822, 1235615), (23939, 868270), (33395, 622414), (42055, 494246), (47878, 434135), (66790, 311207), (84110, 247123), (86827, 239390), (119695, 173654)]