20173985221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1\times {\mathrm{3881}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 23587901568

約数和(自身を除く): 3413916347

約数列:

[1, 13, 17, 43, 221, 547, 559, 731, 3881, 7111, 9299, 9503, 23521, 50453, 65977, 120887, 166883, 305773, 399857, 857701, 2122907, 2169479, 2837011, 5198141, 27597791, 36089419, 36881143, 91285001, 469162447, 1186705013, 1551845017, 20173985221]

約数ペア:

[(1, 20173985221), (13, 1551845017), (17, 1186705013), (43, 469162447), (221, 91285001), (547, 36881143), (559, 36089419), (731, 27597791), (3881, 5198141), (7111, 2837011), (9299, 2169479), (9503, 2122907), (23521, 857701), (50453, 399857), (65977, 305773), (120887, 166883)]