20199137391

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{106453}}^1$

素因数の和:107215

約数の個数: 24

約数和(自身を含む): 30224419680

約数和(自身を除く): 10025282289

約数列:

[1, 3, 9, 29, 87, 261, 727, 2181, 6543, 21083, 63249, 106453, 189747, 319359, 958077, 3087137, 9261411, 27784233, 77391331, 232173993, 696521979, 2244348599, 6733045797, 20199137391]

約数ペア:

[(1, 20199137391), (3, 6733045797), (9, 2244348599), (29, 696521979), (87, 232173993), (261, 77391331), (727, 27784233), (2181, 9261411), (6543, 3087137), (21083, 958077), (63249, 319359), (106453, 189747)]