20698370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26881}}^1$

素因数の和:26906

約数の個数: 32

約数和(自身を含む): 46452096

約数和(自身を除く): 25753726

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26881, 53762, 134405, 188167, 268810, 295691, 376334, 591382, 940835, 1478455, 1881670, 2069837, 2956910, 4139674, 10349185, 20698370]

約数ペア:

[(1, 20698370), (2, 10349185), (5, 4139674), (7, 2956910), (10, 2069837), (11, 1881670), (14, 1478455), (22, 940835), (35, 591382), (55, 376334), (70, 295691), (77, 268810), (110, 188167), (154, 134405), (385, 53762), (770, 26881)]