15690856820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6942857}}^1$

素因数の和:6942979

約数の個数: 24

約数和(自身を含む): 33242404104

約数和(自身を除く): 17551547284

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 6942857, 13885714, 27771428, 34714285, 69428570, 138857140, 784542841, 1569085682, 3138171364, 3922714205, 7845428410, 15690856820]

約数ペア:

[(1, 15690856820), (2, 7845428410), (4, 3922714205), (5, 3138171364), (10, 1569085682), (20, 784542841), (113, 138857140), (226, 69428570), (452, 34714285), (565, 27771428), (1130, 13885714), (2260, 6942857)]