20382807

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4409}}^1$

素因数の和:4502

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 8405673

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4409, 4623, 13227, 101407, 295403, 304221, 886209, 6794269, 20382807]

約数ペア:

[(1, 20382807), (3, 6794269), (23, 886209), (67, 304221), (69, 295403), (201, 101407), (1541, 13227), (4409, 4623)]