20413916

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{64601}}^1$

素因数の和:64684

約数の個数: 12

約数和(自身を含む): 36177120

約数和(自身を除く): 15763204

約数列:

[1, 2, 4, 79, 158, 316, 64601, 129202, 258404, 5103479, 10206958, 20413916]

約数ペア:

[(1, 20413916), (2, 10206958), (4, 5103479), (79, 258404), (158, 129202), (316, 64601)]