20896124

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:570

約数の個数: 36

約数和(自身を含む): 40005000

約数和(自身を除く): 19108876

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 361, 499, 551, 722, 998, 1102, 1444, 1996, 2204, 9481, 10469, 14471, 18962, 20938, 28942, 37924, 41876, 57884, 180139, 274949, 360278, 549898, 720556, 1099796, 5224031, 10448062, 20896124]

約数ペア:

[(1, 20896124), (2, 10448062), (4, 5224031), (19, 1099796), (29, 720556), (38, 549898), (58, 360278), (76, 274949), (116, 180139), (361, 57884), (499, 41876), (551, 37924), (722, 28942), (998, 20938), (1102, 18962), (1444, 14471), (1996, 10469), (2204, 9481)]