20108193

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3119}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 10642527

約数列:

[1, 3, 7, 21, 307, 921, 2149, 3119, 6447, 9357, 21833, 65499, 957533, 2872599, 6702731, 20108193]

約数ペア:

[(1, 20108193), (3, 6702731), (7, 2872599), (21, 957533), (307, 65499), (921, 21833), (2149, 9357), (3119, 6447)]