20470443

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14549}}^1$

素因数の和:14626

約数の個数: 16

約数和(自身を含む): 31660800

約数和(自身を除く): 11190357

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14549, 43647, 101843, 305529, 974783, 2924349, 6823481, 20470443]

約数ペア:

[(1, 20470443), (3, 6823481), (7, 2924349), (21, 974783), (67, 305529), (201, 101843), (469, 43647), (1407, 14549)]