20644215

素因数分解:

$3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4483}}^1$

素因数の和:4798

約数の個数: 16

約数和(自身を含む): 33145728

約数和(自身を除く): 12501513

約数列:

[1, 3, 5, 15, 307, 921, 1535, 4483, 4605, 13449, 22415, 67245, 1376281, 4128843, 6881405, 20644215]

約数ペア:

[(1, 20644215), (3, 6881405), (5, 4128843), (15, 1376281), (307, 67245), (921, 22415), (1535, 13449), (4483, 4605)]