20418256

素因数分解:

$2^4\times {\mathrm{233}}^1\times {\mathrm{5477}}^1$

素因数の和:5718

約数の個数: 20

約数和(自身を含む): 39737412

約数和(自身を除く): 19319156

約数列:

[1, 2, 4, 8, 16, 233, 466, 932, 1864, 3728, 5477, 10954, 21908, 43816, 87632, 1276141, 2552282, 5104564, 10209128, 20418256]

約数ペア:

[(1, 20418256), (2, 10209128), (4, 5104564), (8, 2552282), (16, 1276141), (233, 87632), (466, 43816), (932, 21908), (1864, 10954), (3728, 5477)]