20171736880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5863877}}^1$

素因数の和:5863933

約数の個数: 40

約数和(自身を含む): 47989977552

約数和(自身を除く): 27818240672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5863877, 11727754, 23455508, 29319385, 46911016, 58638770, 93822032, 117277540, 234555080, 252146711, 469110160, 504293422, 1008586844, 1260733555, 2017173688, 2521467110, 4034347376, 5042934220, 10085868440, 20171736880]

約数ペア:

[(1, 20171736880), (2, 10085868440), (4, 5042934220), (5, 4034347376), (8, 2521467110), (10, 2017173688), (16, 1260733555), (20, 1008586844), (40, 504293422), (43, 469110160), (80, 252146711), (86, 234555080), (172, 117277540), (215, 93822032), (344, 58638770), (430, 46911016), (688, 29319385), (860, 23455508), (1720, 11727754), (3440, 5863877)]