20005839

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{701}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 34145280

約数和(自身を除く): 14139441

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 701, 1057, 1359, 2103, 3171, 4077, 4907, 6309, 9513, 14721, 18927, 28539, 44163, 105851, 132489, 317553, 740957, 952659, 2222871, 2857977, 6668613, 20005839]

約数ペア:

[(1, 20005839), (3, 6668613), (7, 2857977), (9, 2222871), (21, 952659), (27, 740957), (63, 317553), (151, 132489), (189, 105851), (453, 44163), (701, 28539), (1057, 18927), (1359, 14721), (2103, 9513), (3171, 6309), (4077, 4907)]