20102225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5623}}^1$

素因数の和:5657

約数の個数: 24

約数和(自身を含む): 29289792

約数和(自身を除く): 9187567

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5623, 28115, 61853, 73099, 140575, 309265, 365495, 804089, 1546325, 1827475, 4020445, 20102225]

約数ペア:

[(1, 20102225), (5, 4020445), (11, 1827475), (13, 1546325), (25, 804089), (55, 365495), (65, 309265), (143, 140575), (275, 73099), (325, 61853), (715, 28115), (3575, 5623)]