20380525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2061

約数の個数: 24

約数和(自身を含む): 28328544

約数和(自身を除く): 7948019

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2003, 2035, 10015, 10175, 22033, 50075, 74111, 110165, 370555, 550825, 815221, 1852775, 4076105, 20380525]

約数ペア:

[(1, 20380525), (5, 4076105), (11, 1852775), (25, 815221), (37, 550825), (55, 370555), (185, 110165), (275, 74111), (407, 50075), (925, 22033), (2003, 10175), (2035, 10015)]