20172580540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{5431}}^1$

素因数の和:6107

約数の個数: 96

約数和(自身を含む): 49629533184

約数和(自身を除く): 29456952644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 617, 860, 1204, 1234, 1505, 2468, 3010, 3085, 4319, 5431, 6020, 6170, 8638, 10862, 12340, 17276, 21595, 21724, 26531, 27155, 38017, 43190, 53062, 54310, 76034, 86380, 106124, 108620, 132655, 152068, 185717, 190085, 233533, 265310, 371434, 380170, 467066, 530620, 742868, 760340, 928585, 934132, 1167665, 1634731, 1857170, 2335330, 3269462, 3350927, 3714340, 4670660, 6538924, 6701854, 8173655, 13403708, 16347310, 16754635, 23456489, 32694620, 33509270, 46912978, 67018540, 93825956, 117282445, 144089861, 234564890, 288179722, 469129780, 576359444, 720449305, 1008629027, 1440898610, 2017258054, 2881797220, 4034516108, 5043145135, 10086290270, 20172580540]

約数ペア:

[(1, 20172580540), (2, 10086290270), (4, 5043145135), (5, 4034516108), (7, 2881797220), (10, 2017258054), (14, 1440898610), (20, 1008629027), (28, 720449305), (35, 576359444), (43, 469129780), (70, 288179722), (86, 234564890), (140, 144089861), (172, 117282445), (215, 93825956), (301, 67018540), (430, 46912978), (602, 33509270), (617, 32694620), (860, 23456489), (1204, 16754635), (1234, 16347310), (1505, 13403708), (2468, 8173655), (3010, 6701854), (3085, 6538924), (4319, 4670660), (5431, 3714340), (6020, 3350927), (6170, 3269462), (8638, 2335330), (10862, 1857170), (12340, 1634731), (17276, 1167665), (21595, 934132), (21724, 928585), (26531, 760340), (27155, 742868), (38017, 530620), (43190, 467066), (53062, 380170), (54310, 371434), (76034, 265310), (86380, 233533), (106124, 190085), (108620, 185717), (132655, 152068)]