20247396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 51395904

約数和(自身を除く): 31148508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1213, 1284, 1391, 2426, 2782, 3639, 4173, 4852, 5564, 7278, 8346, 14556, 15769, 16692, 31538, 47307, 63076, 94614, 129791, 189228, 259582, 389373, 519164, 778746, 1557492, 1687283, 3374566, 5061849, 6749132, 10123698, 20247396]

約数ペア:

[(1, 20247396), (2, 10123698), (3, 6749132), (4, 5061849), (6, 3374566), (12, 1687283), (13, 1557492), (26, 778746), (39, 519164), (52, 389373), (78, 259582), (107, 189228), (156, 129791), (214, 94614), (321, 63076), (428, 47307), (642, 31538), (1213, 16692), (1284, 15769), (1391, 14556), (2426, 8346), (2782, 7278), (3639, 5564), (4173, 4852)]