20272868

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9403}}^1$

素因数の和:9432

約数の個数: 36

約数和(自身を含む): 45026352

約数和(自身を除く): 24753484

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9403, 18806, 37612, 65821, 103433, 131642, 206866, 263284, 413732, 460747, 724031, 921494, 1448062, 1842988, 2896124, 5068217, 10136434, 20272868]

約数ペア:

[(1, 20272868), (2, 10136434), (4, 5068217), (7, 2896124), (11, 1842988), (14, 1448062), (22, 921494), (28, 724031), (44, 460747), (49, 413732), (77, 263284), (98, 206866), (154, 131642), (196, 103433), (308, 65821), (539, 37612), (1078, 18806), (2156, 9403)]