20921772

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{16927}}^1$

素因数の和:17037

約数の個数: 24

約数和(自身を含む): 49294336

約数和(自身を除く): 28372564

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 16927, 33854, 50781, 67708, 101562, 203124, 1743481, 3486962, 5230443, 6973924, 10460886, 20921772]

約数ペア:

[(1, 20921772), (2, 10460886), (3, 6973924), (4, 5230443), (6, 3486962), (12, 1743481), (103, 203124), (206, 101562), (309, 67708), (412, 50781), (618, 33854), (1236, 16927)]