20343704

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{15601}}^1$

素因数の和:15770

約数の個数: 16

約数和(自身を含む): 38380920

約数和(自身を除く): 18037216

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 15601, 31202, 62404, 124808, 2542963, 5085926, 10171852, 20343704]

約数ペア:

[(1, 20343704), (2, 10171852), (4, 5085926), (8, 2542963), (163, 124808), (326, 62404), (652, 31202), (1304, 15601)]