20123919

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1451}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 30805632

約数和(自身を除く): 10681713

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1451, 1541, 4353, 4623, 13059, 13869, 33373, 97217, 100119, 291651, 300357, 874953, 2235991, 6707973, 20123919]

約数ペア:

[(1, 20123919), (3, 6707973), (9, 2235991), (23, 874953), (67, 300357), (69, 291651), (201, 100119), (207, 97217), (603, 33373), (1451, 13869), (1541, 13059), (4353, 4623)]