20396572

素因数分解:

$2^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3181}}^1$

素因数の和:3421

約数の個数: 24

約数和(自身を含む): 40984160

約数和(自身を除く): 20587588

約数列:

[1, 2, 4, 7, 14, 28, 229, 458, 916, 1603, 3181, 3206, 6362, 6412, 12724, 22267, 44534, 89068, 728449, 1456898, 2913796, 5099143, 10198286, 20396572]

約数ペア:

[(1, 20396572), (2, 10198286), (4, 5099143), (7, 2913796), (14, 1456898), (28, 728449), (229, 89068), (458, 44534), (916, 22267), (1603, 12724), (3181, 6412), (3206, 6362)]