20283325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 26371080

約数和(自身を除く): 6087755

約数列:

[1, 5, 25, 29, 101, 145, 277, 505, 725, 1385, 2525, 2929, 6925, 8033, 14645, 27977, 40165, 73225, 139885, 200825, 699425, 811333, 4056665, 20283325]

約数ペア:

[(1, 20283325), (5, 4056665), (25, 811333), (29, 699425), (101, 200825), (145, 139885), (277, 73225), (505, 40165), (725, 27977), (1385, 14645), (2525, 8033), (2929, 6925)]