20948145

素因数分解:

$3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4549}}^1$

素因数の和:4864

約数の個数: 16

約数和(自身を含む): 33633600

約数和(自身を除く): 12685455

約数列:

[1, 3, 5, 15, 307, 921, 1535, 4549, 4605, 13647, 22745, 68235, 1396543, 4189629, 6982715, 20948145]

約数ペア:

[(1, 20948145), (3, 6982715), (5, 4189629), (15, 1396543), (307, 68235), (921, 22745), (1535, 13647), (4549, 4605)]