20453145

素因数分解:

$3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3907}}^1$

素因数の和:4264

約数の個数: 16

約数和(自身を含む): 32827200

約数和(自身を除く): 12374055

約数列:

[1, 3, 5, 15, 349, 1047, 1745, 3907, 5235, 11721, 19535, 58605, 1363543, 4090629, 6817715, 20453145]

約数ペア:

[(1, 20453145), (3, 6817715), (5, 4090629), (15, 1363543), (349, 58605), (1047, 19535), (1745, 11721), (3907, 5235)]