204207938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{911}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 349857792

約数和(自身を除く): 145649854

約数列:

[1, 2, 11, 22, 23, 46, 253, 443, 506, 886, 911, 1822, 4873, 9746, 10021, 10189, 20042, 20378, 20953, 41906, 112079, 224158, 230483, 403573, 460966, 807146, 4439303, 8878606, 9282179, 18564358, 102103969, 204207938]

約数ペア:

[(1, 204207938), (2, 102103969), (11, 18564358), (22, 9282179), (23, 8878606), (46, 4439303), (253, 807146), (443, 460966), (506, 403573), (886, 230483), (911, 224158), (1822, 112079), (4873, 41906), (9746, 20953), (10021, 20378), (10189, 20042)]