20194840

素因数分解:

$2^3\times 5^1\times {\mathrm{504871}}^1$

素因数の和:504882

約数の個数: 16

約数和(自身を含む): 45438480

約数和(自身を除く): 25243640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504871, 1009742, 2019484, 2524355, 4038968, 5048710, 10097420, 20194840]

約数ペア:

[(1, 20194840), (2, 10097420), (4, 5048710), (5, 4038968), (8, 2524355), (10, 2019484), (20, 1009742), (40, 504871)]