20199428221

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{93967}}^1$

素因数の和:94129

約数の個数: 24

約数和(自身を含む): 24295614336

約数和(自身を除く): 4096186115

約数列:

[1, 7, 41, 49, 107, 287, 749, 2009, 4387, 5243, 30709, 93967, 214963, 657769, 3852647, 4604383, 10054469, 26968529, 70381283, 188779703, 412233229, 492668981, 2885632603, 20199428221]

約数ペア:

[(1, 20199428221), (7, 2885632603), (41, 492668981), (49, 412233229), (107, 188779703), (287, 70381283), (749, 26968529), (2009, 10054469), (4387, 4604383), (5243, 3852647), (30709, 657769), (93967, 214963)]