20176901451

素因数分解:

$3^2\times 7^2\times {\mathrm{3119}}^1\times {\mathrm{14669}}^1$

素因数の和:17808

約数の個数: 36

約数和(自身を含む): 33915866400

約数和(自身を除く): 13738964949

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 3119, 9357, 14669, 21833, 28071, 44007, 65499, 102683, 132021, 152831, 196497, 308049, 458493, 718781, 924147, 1375479, 2156343, 6469029, 45752611, 137257833, 320268277, 411773499, 960804831, 2241877939, 2882414493, 6725633817, 20176901451]

約数ペア:

[(1, 20176901451), (3, 6725633817), (7, 2882414493), (9, 2241877939), (21, 960804831), (49, 411773499), (63, 320268277), (147, 137257833), (441, 45752611), (3119, 6469029), (9357, 2156343), (14669, 1375479), (21833, 924147), (28071, 718781), (44007, 458493), (65499, 308049), (102683, 196497), (132021, 152831)]