20298025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 28355328

約数和(自身を除く): 8057303

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2381, 8525, 11905, 26191, 59525, 73811, 130955, 369055, 654775, 811921, 1845275, 4059605, 20298025]

約数ペア:

[(1, 20298025), (5, 4059605), (11, 1845275), (25, 811921), (31, 654775), (55, 369055), (155, 130955), (275, 73811), (341, 59525), (775, 26191), (1705, 11905), (2381, 8525)]