16820072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{123677}}^1$

素因数の和:123700

約数の個数: 16

約数和(自身を含む): 33393060

約数和(自身を除く): 16572988

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 123677, 247354, 494708, 989416, 2102509, 4205018, 8410036, 16820072]

約数ペア:

[(1, 16820072), (2, 8410036), (4, 4205018), (8, 2102509), (17, 989416), (34, 494708), (68, 247354), (136, 123677)]