20070747

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1663}}^1$

素因数の和:1824

約数の個数: 20

約数和(自身を含む): 30201600

約数和(自身を除く): 10130853

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 1663, 4023, 4989, 12069, 14967, 44901, 134703, 247787, 743361, 2230083, 6690249, 20070747]

約数ペア:

[(1, 20070747), (3, 6690249), (9, 2230083), (27, 743361), (81, 247787), (149, 134703), (447, 44901), (1341, 14967), (1663, 12069), (4023, 4989)]