20147204

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65413}}^1$

素因数の和:65435

約数の個数: 24

約数和(自身を含む): 43958208

約数和(自身を除く): 23811004

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65413, 130826, 261652, 457891, 719543, 915782, 1439086, 1831564, 2878172, 5036801, 10073602, 20147204]

約数ペア:

[(1, 20147204), (2, 10073602), (4, 5036801), (7, 2878172), (11, 1831564), (14, 1439086), (22, 915782), (28, 719543), (44, 457891), (77, 261652), (154, 130826), (308, 65413)]