20104511

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 24037440

約数和(自身を除く): 3932929

約数列:

[1, 7, 29, 97, 203, 679, 1021, 2813, 7147, 19691, 29609, 99037, 207263, 693259, 2872073, 20104511]

約数ペア:

[(1, 20104511), (7, 2872073), (29, 693259), (97, 207263), (203, 99037), (679, 29609), (1021, 19691), (2813, 7147)]