20108848895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1\times {\mathrm{2557}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 25195276800

約数和(自身を除く): 5086427905

約数列:

[1, 5, 31, 113, 155, 449, 565, 2245, 2557, 3503, 12785, 13919, 17515, 50737, 69595, 79267, 253685, 288941, 396335, 1148093, 1444705, 1572847, 5740465, 7864235, 8957171, 35590883, 44785855, 129734509, 177954415, 648672545, 4021769779, 20108848895]

約数ペア:

[(1, 20108848895), (5, 4021769779), (31, 648672545), (113, 177954415), (155, 129734509), (449, 44785855), (565, 35590883), (2245, 8957171), (2557, 7864235), (3503, 5740465), (12785, 1572847), (13919, 1444705), (17515, 1148093), (50737, 396335), (69595, 288941), (79267, 253685)]