20922376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153841}}^1$

素因数の和:153864

約数の個数: 16

約数和(自身を含む): 41537340

約数和(自身を除く): 20614964

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153841, 307682, 615364, 1230728, 2615297, 5230594, 10461188, 20922376]

約数ペア:

[(1, 20922376), (2, 10461188), (4, 5230594), (8, 2615297), (17, 1230728), (34, 615364), (68, 307682), (136, 153841)]