20050804810

素因数分解:

$2^1\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{1077421}}^1$

素因数の和:1079289

約数の個数: 16

約数和(自身を含む): 36110875752

約数和(自身を除く): 16060070942

約数列:

[1, 2, 5, 10, 1861, 3722, 9305, 18610, 1077421, 2154842, 5387105, 10774210, 2005080481, 4010160962, 10025402405, 20050804810]

約数ペア:

[(1, 20050804810), (2, 10025402405), (5, 4010160962), (10, 2005080481), (1861, 10774210), (3722, 5387105), (9305, 2154842), (18610, 1077421)]