20959952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100769}}^1$

素因数の和:100790

約数の個数: 20

約数和(自身を含む): 43734180

約数和(自身を除く): 22774228

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100769, 201538, 403076, 806152, 1309997, 1612304, 2619994, 5239988, 10479976, 20959952]

約数ペア:

[(1, 20959952), (2, 10479976), (4, 5239988), (8, 2619994), (13, 1612304), (16, 1309997), (26, 806152), (52, 403076), (104, 201538), (208, 100769)]