20922904

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{13693}}^1$

素因数の和:13890

約数の個数: 16

約数和(自身を含む): 39438720

約数和(自身を除く): 18515816

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 13693, 27386, 54772, 109544, 2615363, 5230726, 10461452, 20922904]

約数ペア:

[(1, 20922904), (2, 10461452), (4, 5230726), (8, 2615363), (191, 109544), (382, 54772), (764, 27386), (1528, 13693)]