20123661

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^2$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 28554624

約数和(自身を除く): 8430963

約数列:

[1, 3, 41, 47, 59, 123, 141, 177, 1927, 2419, 2773, 3481, 5781, 7257, 8319, 10443, 113693, 142721, 163607, 341079, 428163, 490821, 6707887, 20123661]

約数ペア:

[(1, 20123661), (3, 6707887), (41, 490821), (47, 428163), (59, 341079), (123, 163607), (141, 142721), (177, 113693), (1927, 10443), (2419, 8319), (2773, 7257), (3481, 5781)]