20907225

素因数分解:

$3^2\times 5^2\times {\mathrm{92921}}^1$

素因数の和:92937

約数の個数: 18

約数和(自身を含む): 37447566

約数和(自身を除く): 16540341

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 92921, 278763, 464605, 836289, 1393815, 2323025, 4181445, 6969075, 20907225]

約数ペア:

[(1, 20907225), (3, 6969075), (5, 4181445), (9, 2323025), (15, 1393815), (25, 836289), (45, 464605), (75, 278763), (225, 92921)]