20266876

素因数分解:

$2^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1439}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 20375684

約数列:

[1, 2, 4, 7, 14, 28, 503, 1006, 1439, 2012, 2878, 3521, 5756, 7042, 10073, 14084, 20146, 40292, 723817, 1447634, 2895268, 5066719, 10133438, 20266876]

約数ペア:

[(1, 20266876), (2, 10133438), (4, 5066719), (7, 2895268), (14, 1447634), (28, 723817), (503, 40292), (1006, 20146), (1439, 14084), (2012, 10073), (2878, 7042), (3521, 5756)]