20794832

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2647}}^1$

素因数の和:3146

約数の個数: 20

約数和(自身を含む): 40387296

約数和(自身を除く): 19592464

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2647, 3928, 5294, 7856, 10588, 21176, 42352, 1299677, 2599354, 5198708, 10397416, 20794832]

約数ペア:

[(1, 20794832), (2, 10397416), (4, 5198708), (8, 2599354), (16, 1299677), (491, 42352), (982, 21176), (1964, 10588), (2647, 7856), (3928, 5294)]