20531235

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4373}}^1$

素因数の和:4694

約数の個数: 16

約数和(自身を含む): 32962464

約数和(自身を除く): 12431229

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4373, 4695, 13119, 21865, 65595, 1368749, 4106247, 6843745, 20531235]

約数ペア:

[(1, 20531235), (3, 6843745), (5, 4106247), (15, 1368749), (313, 65595), (939, 21865), (1565, 13119), (4373, 4695)]