20824281

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 31399680

約数和(自身を除く): 10575399

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 739, 909, 2217, 3131, 6651, 9393, 22909, 28179, 68727, 74639, 206181, 223917, 671751, 2313809, 6941427, 20824281]

約数ペア:

[(1, 20824281), (3, 6941427), (9, 2313809), (31, 671751), (93, 223917), (101, 206181), (279, 74639), (303, 68727), (739, 28179), (909, 22909), (2217, 9393), (3131, 6651)]