20960565

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32497}}^1$

素因数の和:32548

約数の個数: 16

約数和(自身を含む): 34317888

約数和(自身を除く): 13357323

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 32497, 97491, 162485, 487455, 1397371, 4192113, 6986855, 20960565]

約数ペア:

[(1, 20960565), (3, 6986855), (5, 4192113), (15, 1397371), (43, 487455), (129, 162485), (215, 97491), (645, 32497)]