20016717

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2377}}^1$

素因数の和:2788

約数の個数: 16

約数和(自身を含む): 30590592

約数和(自身を除く): 10573875

約数列:

[1, 3, 7, 21, 401, 1203, 2377, 2807, 7131, 8421, 16639, 49917, 953177, 2859531, 6672239, 20016717]

約数ペア:

[(1, 20016717), (3, 6672239), (7, 2859531), (21, 953177), (401, 49917), (1203, 16639), (2377, 8421), (2807, 7131)]