20818084

素因数分解:

$2^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{3191}}^1$

素因数の和:3435

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 21009884

約数列:

[1, 2, 4, 7, 14, 28, 233, 466, 932, 1631, 3191, 3262, 6382, 6524, 12764, 22337, 44674, 89348, 743503, 1487006, 2974012, 5204521, 10409042, 20818084]

約数ペア:

[(1, 20818084), (2, 10409042), (4, 5204521), (7, 2974012), (14, 1487006), (28, 743503), (233, 89348), (466, 44674), (932, 22337), (1631, 12764), (3191, 6524), (3262, 6382)]