20172029452

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{16747}}^1$

素因数の和:16990

約数の個数: 48

約数和(自身を含む): 37140364800

約数和(自身を除く): 16968335348

約数列:

[1, 2, 4, 43, 47, 86, 94, 149, 172, 188, 298, 596, 2021, 4042, 6407, 7003, 8084, 12814, 14006, 16747, 25628, 28012, 33494, 66988, 301129, 602258, 720121, 787109, 1204516, 1440242, 1574218, 2495303, 2880484, 3148436, 4990606, 9981212, 33845687, 67691374, 107298029, 117279241, 135382748, 214596058, 234558482, 429192116, 469116964, 5043007363, 10086014726, 20172029452]

約数ペア:

[(1, 20172029452), (2, 10086014726), (4, 5043007363), (43, 469116964), (47, 429192116), (86, 234558482), (94, 214596058), (149, 135382748), (172, 117279241), (188, 107298029), (298, 67691374), (596, 33845687), (2021, 9981212), (4042, 4990606), (6407, 3148436), (7003, 2880484), (8084, 2495303), (12814, 1574218), (14006, 1440242), (16747, 1204516), (25628, 787109), (28012, 720121), (33494, 602258), (66988, 301129)]