20581474

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4861}}^1$

素因数の和:4965

約数の個数: 16

約数和(自身を含む): 32380920

約数和(自身を除く): 11799446

約数列:

[1, 2, 29, 58, 73, 146, 2117, 4234, 4861, 9722, 140969, 281938, 354853, 709706, 10290737, 20581474]

約数ペア:

[(1, 20581474), (2, 10290737), (29, 709706), (58, 354853), (73, 281938), (146, 140969), (2117, 9722), (4234, 4861)]