20246715

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6337}}^1$

素因数の和:6419

約数の個数: 24

約数和(自身を含む): 35594208

約数和(自身を除く): 15347493

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6337, 19011, 31685, 57033, 95055, 285165, 449927, 1349781, 2249635, 4049343, 6748905, 20246715]

約数ペア:

[(1, 20246715), (3, 6748905), (5, 4049343), (9, 2249635), (15, 1349781), (45, 449927), (71, 285165), (213, 95055), (355, 57033), (639, 31685), (1065, 19011), (3195, 6337)]