20315969

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 2327743

約数列:

[1, 17, 23, 223, 233, 391, 3791, 3961, 5129, 5359, 51959, 87193, 91103, 883303, 1195057, 20315969]

約数ペア:

[(1, 20315969), (17, 1195057), (23, 883303), (223, 91103), (233, 87193), (391, 51959), (3791, 5359), (3961, 5129)]