20274957

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{853}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 31085600

約数和(自身を除く): 10810643

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 853, 1251, 2559, 2641, 7677, 7923, 16207, 23769, 48621, 118567, 145863, 355701, 1067103, 2252773, 6758319, 20274957]

約数ペア:

[(1, 20274957), (3, 6758319), (9, 2252773), (19, 1067103), (57, 355701), (139, 145863), (171, 118567), (417, 48621), (853, 23769), (1251, 16207), (2559, 7923), (2641, 7677)]