20183846440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2391451}}^1$

素因数の和:2391673

約数の個数: 32

約数和(自身を含む): 45628904160

約数和(自身を除く): 25445057720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 2391451, 4782902, 9565804, 11957255, 19131608, 23914510, 47829020, 95658040, 504596161, 1009192322, 2018384644, 2522980805, 4036769288, 5045961610, 10091923220, 20183846440]

約数ペア:

[(1, 20183846440), (2, 10091923220), (4, 5045961610), (5, 4036769288), (8, 2522980805), (10, 2018384644), (20, 1009192322), (40, 504596161), (211, 95658040), (422, 47829020), (844, 23914510), (1055, 19131608), (1688, 11957255), (2110, 9565804), (4220, 4782902), (8440, 2391451)]