20008947

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14221}}^1$

素因数の和:14298

約数の個数: 16

約数和(自身を含む): 30947072

約数和(自身を除く): 10938125

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14221, 42663, 99547, 298641, 952807, 2858421, 6669649, 20008947]

約数ペア:

[(1, 20008947), (3, 6669649), (7, 2858421), (21, 952807), (67, 298641), (201, 99547), (469, 42663), (1407, 14221)]