20428048

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55511}}^1$

素因数の和:55542

約数の個数: 20

約数和(自身を含む): 41300928

約数和(自身を除く): 20872880

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55511, 111022, 222044, 444088, 888176, 1276753, 2553506, 5107012, 10214024, 20428048]

約数ペア:

[(1, 20428048), (2, 10214024), (4, 5107012), (8, 2553506), (16, 1276753), (23, 888176), (46, 444088), (92, 222044), (184, 111022), (368, 55511)]