20894416

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4457}}^1$

素因数の和:4758

約数の個数: 20

約数和(自身を含む): 40630212

約数和(自身を除く): 19735796

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4457, 4688, 8914, 17828, 35656, 71312, 1305901, 2611802, 5223604, 10447208, 20894416]

約数ペア:

[(1, 20894416), (2, 10447208), (4, 5223604), (8, 2611802), (16, 1305901), (293, 71312), (586, 35656), (1172, 17828), (2344, 8914), (4457, 4688)]