20408702951

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4231537}}^1$

素因数の和:4231610

約数の個数: 16

約数和(自身を含む): 25592341824

約数和(自身を除く): 5183638873

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 4231537, 29620759, 55009981, 224271461, 385069867, 1569900227, 2915528993, 20408702951]

約数ペア:

[(1, 20408702951), (7, 2915528993), (13, 1569900227), (53, 385069867), (91, 224271461), (371, 55009981), (689, 29620759), (4823, 4231537)]