20812290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693743}}^1$

素因数の和:693753

約数の個数: 16

約数和(自身を含む): 49949568

約数和(自身を除く): 29137278

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693743, 1387486, 2081229, 3468715, 4162458, 6937430, 10406145, 20812290]

約数ペア:

[(1, 20812290), (2, 10406145), (3, 6937430), (5, 4162458), (6, 3468715), (10, 2081229), (15, 1387486), (30, 693743)]