20090853909

素因数分解:

$3^2\times 7^1\times {\mathrm{318902443}}^1$

素因数の和:318902456

約数の個数: 12

約数和(自身を含む): 33165854176

約数和(自身を除く): 13075000267

約数列:

[1, 3, 7, 9, 21, 63, 318902443, 956707329, 2232317101, 2870121987, 6696951303, 20090853909]

約数ペア:

[(1, 20090853909), (3, 6696951303), (7, 2870121987), (9, 2232317101), (21, 956707329), (63, 318902443)]