20406883

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{8861}}^1$

素因数の和:8922

約数の個数: 12

約数和(自身を含む): 24246432

約数和(自身を除く): 3839549

約数列:

[1, 7, 47, 49, 329, 2303, 8861, 62027, 416467, 434189, 2915269, 20406883]

約数ペア:

[(1, 20406883), (7, 2915269), (47, 434189), (49, 416467), (329, 62027), (2303, 8861)]