20698316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3853}}^1$

素因数の和:3953

約数の個数: 24

約数和(自身を含む): 38848320

約数和(自身を除く): 18150004

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 3853, 5372, 7706, 15412, 65501, 131002, 262004, 304387, 608774, 1217548, 5174579, 10349158, 20698316]

約数ペア:

[(1, 20698316), (2, 10349158), (4, 5174579), (17, 1217548), (34, 608774), (68, 304387), (79, 262004), (158, 131002), (316, 65501), (1343, 15412), (2686, 7706), (3853, 5372)]