20054671

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 26461680

約数和(自身を除く): 6407009

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1657, 1729, 11599, 12103, 21541, 31483, 81193, 150787, 220381, 409279, 1055509, 1542667, 2864953, 20054671]

約数ペア:

[(1, 20054671), (7, 2864953), (13, 1542667), (19, 1055509), (49, 409279), (91, 220381), (133, 150787), (247, 81193), (637, 31483), (931, 21541), (1657, 12103), (1729, 11599)]