20198205

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14479}}^1$

素因数の和:14521

約数の個数: 24

約数和(自身を含む): 36142080

約数和(自身を除く): 15943875

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14479, 43437, 72395, 130311, 217185, 448849, 651555, 1346547, 2244245, 4039641, 6732735, 20198205]

約数ペア:

[(1, 20198205), (3, 6732735), (5, 4039641), (9, 2244245), (15, 1346547), (31, 651555), (45, 448849), (93, 217185), (155, 130311), (279, 72395), (465, 43437), (1395, 14479)]