20499868

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2237}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 37598400

約数和(自身を除く): 17098532

約数列:

[1, 2, 4, 29, 58, 79, 116, 158, 316, 2237, 2291, 4474, 4582, 8948, 9164, 64873, 129746, 176723, 259492, 353446, 706892, 5124967, 10249934, 20499868]

約数ペア:

[(1, 20499868), (2, 10249934), (4, 5124967), (29, 706892), (58, 353446), (79, 259492), (116, 176723), (158, 129746), (316, 64873), (2237, 9164), (2291, 8948), (4474, 4582)]