20910170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123001}}^1$

素因数の和:123025

約数の個数: 16

約数和(自身を含む): 39852648

約数和(自身を除く): 18942478

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123001, 246002, 615005, 1230010, 2091017, 4182034, 10455085, 20910170]

約数ペア:

[(1, 20910170), (2, 10455085), (5, 4182034), (10, 2091017), (17, 1230010), (34, 615005), (85, 246002), (170, 123001)]