20390132

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25111}}^1$

素因数の和:25151

約数の個数: 24

約数和(自身を含む): 42188160

約数和(自身を除く): 21798028

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25111, 50222, 100444, 175777, 351554, 703108, 728219, 1456438, 2912876, 5097533, 10195066, 20390132]

約数ペア:

[(1, 20390132), (2, 10195066), (4, 5097533), (7, 2912876), (14, 1456438), (28, 728219), (29, 703108), (58, 351554), (116, 175777), (203, 100444), (406, 50222), (812, 25111)]