20891025

素因数分解:

$3^2\times 5^2\times {\mathrm{92849}}^1$

素因数の和:92865

約数の個数: 18

約数和(自身を含む): 37418550

約数和(自身を除く): 16527525

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 92849, 278547, 464245, 835641, 1392735, 2321225, 4178205, 6963675, 20891025]

約数ペア:

[(1, 20891025), (3, 6963675), (5, 4178205), (9, 2321225), (15, 1392735), (25, 835641), (45, 464245), (75, 278547), (225, 92849)]