20836540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54833}}^1$

素因数の和:54861

約数の個数: 24

約数和(自身を含む): 46060560

約数和(自身を除く): 25224020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 54833, 109666, 219332, 274165, 548330, 1041827, 1096660, 2083654, 4167308, 5209135, 10418270, 20836540]

約数ペア:

[(1, 20836540), (2, 10418270), (4, 5209135), (5, 4167308), (10, 2083654), (19, 1096660), (20, 1041827), (38, 548330), (76, 274165), (95, 219332), (190, 109666), (380, 54833)]