20455866

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6569}}^1$

素因数の和:6750

約数の個数: 24

約数和(自身を含む): 44584020

約数和(自身を除く): 24128154

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6569, 13138, 19707, 39414, 59121, 118242, 1136437, 2272874, 3409311, 6818622, 10227933, 20455866]

約数ペア:

[(1, 20455866), (2, 10227933), (3, 6818622), (6, 3409311), (9, 2272874), (18, 1136437), (173, 118242), (346, 59121), (519, 39414), (1038, 19707), (1557, 13138), (3114, 6569)]