20994858

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19121}}^1$

素因数の和:19190

約数の個数: 24

約数和(自身を含む): 46236996

約数和(自身を除く): 25242138

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19121, 38242, 57363, 114726, 172089, 344178, 1166381, 2332762, 3499143, 6998286, 10497429, 20994858]

約数ペア:

[(1, 20994858), (2, 10497429), (3, 6998286), (6, 3499143), (9, 2332762), (18, 1166381), (61, 344178), (122, 172089), (183, 114726), (366, 57363), (549, 38242), (1098, 19121)]