20173817839

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1\times {\mathrm{10687}}^1$

素因数の和:11287

約数の個数: 32

約数和(自身を含む): 25302343680

約数和(自身を除く): 5128525841

約数列:

[1, 7, 17, 29, 119, 203, 493, 547, 3451, 3829, 9299, 10687, 15863, 65093, 74809, 111041, 181679, 269671, 309923, 1271753, 1887697, 2169461, 5268691, 5845789, 36880837, 40920523, 99378413, 169527881, 695648891, 1186695167, 2881973977, 20173817839]

約数ペア:

[(1, 20173817839), (7, 2881973977), (17, 1186695167), (29, 695648891), (119, 169527881), (203, 99378413), (493, 40920523), (547, 36880837), (3451, 5845789), (3829, 5268691), (9299, 2169461), (10687, 1887697), (15863, 1271753), (65093, 309923), (74809, 269671), (111041, 181679)]