20172458240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1432703}}^1$

素因数の和:1432735

約数の個数: 72

約数和(自身を含む): 52712045568

約数和(自身を除く): 32539587328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 1432703, 2865406, 5730812, 7163515, 11461624, 14327030, 15759733, 22923248, 28654060, 31519466, 45846496, 57308120, 63038932, 78798665, 91692992, 114616240, 126077864, 157597330, 183385984, 229232480, 252155728, 315194660, 366771968, 458464960, 504311456, 630389320, 916929920, 1008622912, 1260778640, 1833859840, 2017245824, 2521557280, 4034491648, 5043114560, 10086229120, 20172458240]

約数ペア:

[(1, 20172458240), (2, 10086229120), (4, 5043114560), (5, 4034491648), (8, 2521557280), (10, 2017245824), (11, 1833859840), (16, 1260778640), (20, 1008622912), (22, 916929920), (32, 630389320), (40, 504311456), (44, 458464960), (55, 366771968), (64, 315194660), (80, 252155728), (88, 229232480), (110, 183385984), (128, 157597330), (160, 126077864), (176, 114616240), (220, 91692992), (256, 78798665), (320, 63038932), (352, 57308120), (440, 45846496), (640, 31519466), (704, 28654060), (880, 22923248), (1280, 15759733), (1408, 14327030), (1760, 11461624), (2816, 7163515), (3520, 5730812), (7040, 2865406), (14080, 1432703)]