20421036666

素因数分解:

$2^1\times 3^2\times {\mathrm{4451}}^1\times {\mathrm{254887}}^1$

素因数の和:259346

約数の個数: 24

約数和(自身を含む): 44255693664

約数和(自身を除く): 23834656998

約数列:

[1, 2, 3, 6, 9, 18, 4451, 8902, 13353, 26706, 40059, 80118, 254887, 509774, 764661, 1529322, 2293983, 4587966, 1134502037, 2269004074, 3403506111, 6807012222, 10210518333, 20421036666]

約数ペア:

[(1, 20421036666), (2, 10210518333), (3, 6807012222), (6, 3403506111), (9, 2269004074), (18, 1134502037), (4451, 4587966), (8902, 2293983), (13353, 1529322), (26706, 764661), (40059, 509774), (80118, 254887)]