20156747

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 23143680

約数和(自身を除く): 2986933

約数列:

[1, 13, 17, 221, 223, 409, 2899, 3791, 5317, 6953, 49283, 90389, 91207, 1185691, 1550519, 20156747]

約数ペア:

[(1, 20156747), (13, 1550519), (17, 1185691), (221, 91207), (223, 90389), (409, 49283), (2899, 6953), (3791, 5317)]