20993599870

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8783933}}^1$

素因数の和:8784179

約数の個数: 16

約数和(自身を含む): 37946594880

約数和(自身を除く): 16952995010

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 8783933, 17567866, 43919665, 87839330, 2099359987, 4198719974, 10496799935, 20993599870]

約数ペア:

[(1, 20993599870), (2, 10496799935), (5, 4198719974), (10, 2099359987), (239, 87839330), (478, 43919665), (1195, 17567866), (2390, 8783933)]