20514345

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12547}}^1$

素因数の和:12664

約数の個数: 16

約数和(自身を含む): 33126720

約数和(自身を除く): 12612375

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12547, 37641, 62735, 188205, 1367623, 4102869, 6838115, 20514345]

約数ペア:

[(1, 20514345), (3, 6838115), (5, 4102869), (15, 1367623), (109, 188205), (327, 62735), (545, 37641), (1635, 12547)]