20181087740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{365467}}^1$

素因数の和:365738

約数の個数: 48

約数和(自身を含む): 46417359744

約数和(自身を除く): 26236272004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1255, 2510, 2761, 5020, 5522, 11044, 13805, 27610, 55220, 365467, 730934, 1461868, 1827335, 3654670, 4020137, 7309340, 8040274, 16080548, 20100685, 40201370, 80402740, 91732217, 183464434, 366928868, 458661085, 917322170, 1009054387, 1834644340, 2018108774, 4036217548, 5045271935, 10090543870, 20181087740]

約数ペア:

[(1, 20181087740), (2, 10090543870), (4, 5045271935), (5, 4036217548), (10, 2018108774), (11, 1834644340), (20, 1009054387), (22, 917322170), (44, 458661085), (55, 366928868), (110, 183464434), (220, 91732217), (251, 80402740), (502, 40201370), (1004, 20100685), (1255, 16080548), (2510, 8040274), (2761, 7309340), (5020, 4020137), (5522, 3654670), (11044, 1827335), (13805, 1461868), (27610, 730934), (55220, 365467)]