20384767

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 22932000

約数和(自身を除く): 2547233

約数列:

[1, 13, 29, 139, 377, 389, 1807, 4031, 5057, 11281, 52403, 54071, 146653, 702923, 1568059, 20384767]

約数ペア:

[(1, 20384767), (13, 1568059), (29, 702923), (139, 146653), (377, 54071), (389, 52403), (1807, 11281), (4031, 5057)]