20994830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123499}}^1$

素因数の和:123523

約数の個数: 16

約数和(自身を含む): 40014000

約数和(自身を除く): 19019170

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123499, 246998, 617495, 1234990, 2099483, 4198966, 10497415, 20994830]

約数ペア:

[(1, 20994830), (2, 10497415), (5, 4198966), (10, 2099483), (17, 1234990), (34, 617495), (85, 246998), (170, 123499)]