20745747

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3037}}^1$

素因数の和:3080

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 14252013

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 3037, 6831, 9111, 27333, 33407, 69851, 81999, 100221, 209553, 300663, 628659, 768361, 901989, 1885977, 2305083, 6915249, 20745747]

約数ペア:

[(1, 20745747), (3, 6915249), (9, 2305083), (11, 1885977), (23, 901989), (27, 768361), (33, 628659), (69, 300663), (99, 209553), (207, 100221), (253, 81999), (297, 69851), (621, 33407), (759, 27333), (2277, 9111), (3037, 6831)]