20512572081

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{3371}}^1\times {\mathrm{13613}}^1$

素因数の和:17136

約数の個数: 16

約数和(自身を含む): 27543844800

約数和(自身を除く): 7031272719

約数列:

[1, 3, 149, 447, 3371, 10113, 13613, 40839, 502279, 1506837, 2028337, 6085011, 45889423, 137668269, 6837524027, 20512572081]

約数ペア:

[(1, 20512572081), (3, 6837524027), (149, 137668269), (447, 45889423), (3371, 6085011), (10113, 2028337), (13613, 1506837), (40839, 502279)]