20215809327

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1\times {\mathrm{4951}}^1$

素因数の和:6619

約数の個数: 32

約数和(自身を含む): 31074156544

約数和(自身を除く): 10858347217

約数列:

[1, 3, 7, 21, 127, 381, 889, 1531, 2667, 4593, 4951, 10717, 14853, 32151, 34657, 103971, 194437, 583311, 628777, 1361059, 1886331, 4083177, 4401439, 7579981, 13204317, 22739943, 53059867, 159179601, 962657587, 2887972761, 6738603109, 20215809327]

約数ペア:

[(1, 20215809327), (3, 6738603109), (7, 2887972761), (21, 962657587), (127, 159179601), (381, 53059867), (889, 22739943), (1531, 13204317), (2667, 7579981), (4593, 4401439), (4951, 4083177), (10717, 1886331), (14853, 1361059), (32151, 628777), (34657, 583311), (103971, 194437)]