20178855909

素因数分解:

$3^2\times {\mathrm{13903}}^1\times {\mathrm{161267}}^1$

素因数の和:175176

約数の個数: 12

約数和(自身を含む): 29149513536

約数和(自身を除く): 8970657627

約数列:

[1, 3, 9, 13903, 41709, 125127, 161267, 483801, 1451403, 2242095101, 6726285303, 20178855909]

約数ペア:

[(1, 20178855909), (3, 6726285303), (9, 2242095101), (13903, 1451403), (41709, 483801), (125127, 161267)]