20852144

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12653}}^1$

素因数の和:12764

約数の個数: 20

約数和(自身を含む): 40796496

約数和(自身を除く): 19944352

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12653, 25306, 50612, 101224, 202448, 1303259, 2606518, 5213036, 10426072, 20852144]

約数ペア:

[(1, 20852144), (2, 10426072), (4, 5213036), (8, 2606518), (16, 1303259), (103, 202448), (206, 101224), (412, 50612), (824, 25306), (1648, 12653)]