20491786

素因数分解:

$2^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{1949}}^1$

素因数の和:2709

約数の個数: 16

約数和(自身を含む): 35193600

約数和(自身を除く): 14701814

約数列:

[1, 2, 7, 14, 751, 1502, 1949, 3898, 5257, 10514, 13643, 27286, 1463699, 2927398, 10245893, 20491786]

約数ペア:

[(1, 20491786), (2, 10245893), (7, 2927398), (14, 1463699), (751, 27286), (1502, 13643), (1949, 10514), (3898, 5257)]