20121802578

素因数分解:

$2^1\times 3^2\times {\mathrm{1759}}^1\times {\mathrm{635519}}^1$

素因数の和:637286

約数の個数: 24

約数和(自身を含む): 43622092800

約数和(自身を除く): 23500290222

約数列:

[1, 2, 3, 6, 9, 18, 1759, 3518, 5277, 10554, 15831, 31662, 635519, 1271038, 1906557, 3813114, 5719671, 11439342, 1117877921, 2235755842, 3353633763, 6707267526, 10060901289, 20121802578]

約数ペア:

[(1, 20121802578), (2, 10060901289), (3, 6707267526), (6, 3353633763), (9, 2235755842), (18, 1117877921), (1759, 11439342), (3518, 5719671), (5277, 3813114), (10554, 1906557), (15831, 1271038), (31662, 635519)]