16857820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120413}}^1$

素因数の和:120429

約数の個数: 24

約数和(自身を含む): 40459104

約数和(自身を除く): 23601284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120413, 240826, 481652, 602065, 842891, 1204130, 1685782, 2408260, 3371564, 4214455, 8428910, 16857820]

約数ペア:

[(1, 16857820), (2, 8428910), (4, 4214455), (5, 3371564), (7, 2408260), (10, 1685782), (14, 1204130), (20, 842891), (28, 602065), (35, 481652), (70, 240826), (140, 120413)]