20870798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2053}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 37267776

約数和(自身を除く): 16396978

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 2053, 4106, 5083, 10166, 26689, 34901, 47219, 53378, 69802, 94438, 453713, 613847, 802723, 907426, 1227694, 1605446, 10435399, 20870798]

約数ペア:

[(1, 20870798), (2, 10435399), (13, 1605446), (17, 1227694), (23, 907426), (26, 802723), (34, 613847), (46, 453713), (221, 94438), (299, 69802), (391, 53378), (442, 47219), (598, 34901), (782, 26689), (2053, 10166), (4106, 5083)]