20315061

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{433}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 31753176

約数和(自身を除く): 11438115

約数列:

[1, 3, 9, 13, 39, 117, 401, 433, 1203, 1299, 3609, 3897, 5213, 5629, 15639, 16887, 46917, 50661, 173633, 520899, 1562697, 2257229, 6771687, 20315061]

約数ペア:

[(1, 20315061), (3, 6771687), (9, 2257229), (13, 1562697), (39, 520899), (117, 173633), (401, 50661), (433, 46917), (1203, 16887), (1299, 15639), (3609, 5629), (3897, 5213)]