20248485

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31393}}^1$

素因数の和:31444

約数の個数: 16

約数和(自身を含む): 33152064

約数和(自身を除く): 12903579

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31393, 94179, 156965, 470895, 1349899, 4049697, 6749495, 20248485]

約数ペア:

[(1, 20248485), (3, 6749495), (5, 4049697), (15, 1349899), (43, 470895), (129, 156965), (215, 94179), (645, 31393)]