20790092655

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4238551}}^1$

素因数の和:4238671

約数の個数: 24

約数和(自身を含む): 36366776160

約数和(自身を除く): 15576683505

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 4238551, 12715653, 21192755, 38146959, 63578265, 190734795, 462002059, 1386006177, 2310010295, 4158018531, 6930030885, 20790092655]

約数ペア:

[(1, 20790092655), (3, 6930030885), (5, 4158018531), (9, 2310010295), (15, 1386006177), (45, 462002059), (109, 190734795), (327, 63578265), (545, 38146959), (981, 21192755), (1635, 12715653), (4905, 4238551)]