20691430

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18311}}^1$

素因数の和:18431

約数の個数: 16

約数和(自身を含む): 37576224

約数和(自身を除く): 16884794

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 18311, 36622, 91555, 183110, 2069143, 4138286, 10345715, 20691430]

約数ペア:

[(1, 20691430), (2, 10345715), (5, 4138286), (10, 2069143), (113, 183110), (226, 91555), (565, 36622), (1130, 18311)]