20451376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116201}}^1$

素因数の和:116220

約数の個数: 20

約数和(自身を含む): 43227144

約数和(自身を除く): 22775768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116201, 232402, 464804, 929608, 1278211, 1859216, 2556422, 5112844, 10225688, 20451376]

約数ペア:

[(1, 20451376), (2, 10225688), (4, 5112844), (8, 2556422), (11, 1859216), (16, 1278211), (22, 929608), (44, 464804), (88, 232402), (176, 116201)]