20002185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63499}}^1$

素因数の和:63517

約数の個数: 24

約数和(自身を含む): 39624000

約数和(自身を除く): 19621815

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63499, 190497, 317495, 444493, 571491, 952485, 1333479, 2222465, 2857455, 4000437, 6667395, 20002185]

約数ペア:

[(1, 20002185), (3, 6667395), (5, 4000437), (7, 2857455), (9, 2222465), (15, 1333479), (21, 952485), (35, 571491), (45, 444493), (63, 317495), (105, 190497), (315, 63499)]