20165660440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29655383}}^1$

素因数の和:29655411

約数の個数: 32

約数和(自身を含む): 48041722080

約数和(自身を除く): 27876061640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29655383, 59310766, 118621532, 148276915, 237243064, 296553830, 504141511, 593107660, 1008283022, 1186215320, 2016566044, 2520707555, 4033132088, 5041415110, 10082830220, 20165660440]

約数ペア:

[(1, 20165660440), (2, 10082830220), (4, 5041415110), (5, 4033132088), (8, 2520707555), (10, 2016566044), (17, 1186215320), (20, 1008283022), (34, 593107660), (40, 504141511), (68, 296553830), (85, 237243064), (136, 148276915), (170, 118621532), (340, 59310766), (680, 29655383)]