20784122079

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9608933}}^1$

素因数の和:9609046

約数の個数: 16

約数和(自身を含む): 31978532352

約数和(自身を除く): 11194410273

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9608933, 28826799, 67262531, 201787593, 989720099, 2969160297, 6928040693, 20784122079]

約数ペア:

[(1, 20784122079), (3, 6928040693), (7, 2969160297), (21, 989720099), (103, 201787593), (309, 67262531), (721, 28826799), (2163, 9608933)]