20802872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136861}}^1$

素因数の和:136886

約数の個数: 16

約数和(自身を含む): 41058600

約数和(自身を除く): 20255728

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136861, 273722, 547444, 1094888, 2600359, 5200718, 10401436, 20802872]

約数ペア:

[(1, 20802872), (2, 10401436), (4, 5200718), (8, 2600359), (19, 1094888), (38, 547444), (76, 273722), (152, 136861)]