20551610

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8599}}^1$

素因数の和:8845

約数の個数: 16

約数和(自身を含む): 37152000

約数和(自身を除く): 16600390

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 8599, 17198, 42995, 85990, 2055161, 4110322, 10275805, 20551610]

約数ペア:

[(1, 20551610), (2, 10275805), (5, 4110322), (10, 2055161), (239, 85990), (478, 42995), (1195, 17198), (2390, 8599)]