20170469488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{49451}}^1$

素因数の和:49562

約数の個数: 80

約数和(自身を含む): 44040368736

約数和(自身を除く): 23869899248

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 53, 74, 104, 106, 148, 208, 212, 296, 424, 481, 592, 689, 848, 962, 1378, 1924, 1961, 2756, 3848, 3922, 5512, 7696, 7844, 11024, 15688, 25493, 31376, 49451, 50986, 98902, 101972, 197804, 203944, 395608, 407888, 642863, 791216, 1285726, 1829687, 2571452, 2620903, 3659374, 5142904, 5241806, 7318748, 10285808, 10483612, 14637496, 20967224, 23785931, 29274992, 34071739, 41934448, 47571862, 68143478, 95143724, 96973411, 136286956, 190287448, 193946822, 272573912, 380574896, 387893644, 545147824, 775787288, 1260654343, 1551574576, 2521308686, 5042617372, 10085234744, 20170469488]

約数ペア:

[(1, 20170469488), (2, 10085234744), (4, 5042617372), (8, 2521308686), (13, 1551574576), (16, 1260654343), (26, 775787288), (37, 545147824), (52, 387893644), (53, 380574896), (74, 272573912), (104, 193946822), (106, 190287448), (148, 136286956), (208, 96973411), (212, 95143724), (296, 68143478), (424, 47571862), (481, 41934448), (592, 34071739), (689, 29274992), (848, 23785931), (962, 20967224), (1378, 14637496), (1924, 10483612), (1961, 10285808), (2756, 7318748), (3848, 5241806), (3922, 5142904), (5512, 3659374), (7696, 2620903), (7844, 2571452), (11024, 1829687), (15688, 1285726), (25493, 791216), (31376, 642863), (49451, 407888), (50986, 395608), (98902, 203944), (101972, 197804)]