20715370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159349}}^1$

素因数の和:159369

約数の個数: 16

約数和(自身を含む): 40156200

約数和(自身を除く): 19440830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 159349, 318698, 796745, 1593490, 2071537, 4143074, 10357685, 20715370]

約数ペア:

[(1, 20715370), (2, 10357685), (5, 4143074), (10, 2071537), (13, 1593490), (26, 796745), (65, 318698), (130, 159349)]