20841111

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 32736000

約数和(自身を除く): 11894889

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 619, 783, 1161, 1247, 1857, 3741, 5571, 11223, 16713, 17951, 26617, 33669, 53853, 79851, 161559, 239553, 484677, 718659, 771893, 2315679, 6947037, 20841111]

約数ペア:

[(1, 20841111), (3, 6947037), (9, 2315679), (27, 771893), (29, 718659), (43, 484677), (87, 239553), (129, 161559), (261, 79851), (387, 53853), (619, 33669), (783, 26617), (1161, 17951), (1247, 16713), (1857, 11223), (3741, 5571)]