20196956495

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{3467}}^1$

素因数の和:3851

約数の個数: 32

約数和(自身を含む): 25130903616

約数和(自身を除く): 4933947121

約数列:

[1, 5, 41, 157, 181, 205, 785, 905, 3467, 6437, 7421, 17335, 28417, 32185, 37105, 142085, 142147, 544319, 627527, 710735, 1165097, 2721595, 3137635, 5825485, 22317079, 25728607, 98521739, 111585395, 128643035, 492608695, 4039391299, 20196956495]

約数ペア:

[(1, 20196956495), (5, 4039391299), (41, 492608695), (157, 128643035), (181, 111585395), (205, 98521739), (785, 25728607), (905, 22317079), (3467, 5825485), (6437, 3137635), (7421, 2721595), (17335, 1165097), (28417, 710735), (32185, 627527), (37105, 544319), (142085, 142147)]