20700018

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{10177}}^1$

素因数の和:10298

約数の個数: 24

約数和(自身を含む): 45251388

約数和(自身を除く): 24551370

約数列:

[1, 2, 3, 6, 9, 18, 113, 226, 339, 678, 1017, 2034, 10177, 20354, 30531, 61062, 91593, 183186, 1150001, 2300002, 3450003, 6900006, 10350009, 20700018]

約数ペア:

[(1, 20700018), (2, 10350009), (3, 6900006), (6, 3450003), (9, 2300002), (18, 1150001), (113, 183186), (226, 91593), (339, 61062), (678, 30531), (1017, 20354), (2034, 10177)]