20204343

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 11130057

約数列:

[1, 3, 9, 27, 31, 93, 101, 239, 279, 303, 717, 837, 909, 2151, 2727, 3131, 6453, 7409, 9393, 22227, 24139, 28179, 66681, 72417, 84537, 200043, 217251, 651753, 748309, 2244927, 6734781, 20204343]

約数ペア:

[(1, 20204343), (3, 6734781), (9, 2244927), (27, 748309), (31, 651753), (93, 217251), (101, 200043), (239, 84537), (279, 72417), (303, 66681), (717, 28179), (837, 24139), (909, 22227), (2151, 9393), (2727, 7409), (3131, 6453)]