20486133

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 30890496

約数和(自身を除く): 10404363

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 727, 909, 2181, 3131, 6543, 9393, 22537, 28179, 67611, 73427, 202833, 220281, 660843, 2276237, 6828711, 20486133]

約数ペア:

[(1, 20486133), (3, 6828711), (9, 2276237), (31, 660843), (93, 220281), (101, 202833), (279, 73427), (303, 67611), (727, 28179), (909, 22537), (2181, 9393), (3131, 6543)]