20475687

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2729}}^1$

素因数の和:2834

約数の個数: 16

約数和(自身を含む): 28435680

約数和(自身を除く): 7959993

約数列:

[1, 3, 41, 61, 123, 183, 2501, 2729, 7503, 8187, 111889, 166469, 335667, 499407, 6825229, 20475687]

約数ペア:

[(1, 20475687), (3, 6825229), (41, 499407), (61, 335667), (123, 166469), (183, 111889), (2501, 8187), (2729, 7503)]