20163763215

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2103679}}^1$

素因数の和:2103764

約数の個数: 32

約数和(自身を含む): 36351590400

約数和(自身を除く): 16187827185

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 2103679, 6311037, 10518395, 18933111, 31555185, 56799333, 94665555, 149361209, 283996665, 448083627, 746806045, 1344250881, 2240418135, 4032752643, 6721254405, 20163763215]

約数ペア:

[(1, 20163763215), (3, 6721254405), (5, 4032752643), (9, 2240418135), (15, 1344250881), (27, 746806045), (45, 448083627), (71, 283996665), (135, 149361209), (213, 94665555), (355, 56799333), (639, 31555185), (1065, 18933111), (1917, 10518395), (3195, 6311037), (9585, 2103679)]