20426427

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10459}}^1$

素因数の和:10503

約数の個数: 24

約数和(自身を含む): 34810880

約数和(自身を除く): 14384453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10459, 31377, 73213, 94131, 219639, 324229, 658917, 972687, 2269603, 2918061, 6808809, 20426427]

約数ペア:

[(1, 20426427), (3, 6808809), (7, 2918061), (9, 2269603), (21, 972687), (31, 658917), (63, 324229), (93, 219639), (217, 94131), (279, 73213), (651, 31377), (1953, 10459)]