20051973

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 30732000

約数和(自身を除く): 10680027

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 787, 1341, 2361, 2831, 7083, 8493, 14953, 25479, 44859, 117263, 134577, 351789, 1055367, 2227997, 6683991, 20051973]

約数ペア:

[(1, 20051973), (3, 6683991), (9, 2227997), (19, 1055367), (57, 351789), (149, 134577), (171, 117263), (447, 44859), (787, 25479), (1341, 14953), (2361, 8493), (2831, 7083)]