20772856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199739}}^1$

素因数の和:199758

約数の個数: 16

約数和(自身を含む): 41945400

約数和(自身を除く): 21172544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199739, 399478, 798956, 1597912, 2596607, 5193214, 10386428, 20772856]

約数ペア:

[(1, 20772856), (2, 10386428), (4, 5193214), (8, 2596607), (13, 1597912), (26, 798956), (52, 399478), (104, 199739)]