20936783

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 24751680

約数和(自身を除く): 3814897

約数列:

[1, 7, 37, 229, 259, 353, 1603, 2471, 8473, 13061, 59311, 80837, 91427, 565859, 2990969, 20936783]

約数ペア:

[(1, 20936783), (7, 2990969), (37, 565859), (229, 91427), (259, 80837), (353, 59311), (1603, 13061), (2471, 8473)]