20416464

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4889}}^1$

素因数の和:4932

約数の個数: 60

約数和(自身を含む): 59120100

約数和(自身を除く): 38703636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 4889, 9778, 14667, 19556, 29334, 39112, 44001, 58668, 78224, 88002, 117336, 141781, 176004, 234672, 283562, 352008, 425343, 567124, 704016, 850686, 1134248, 1276029, 1701372, 2268496, 2552058, 3402744, 5104116, 6805488, 10208232, 20416464]

約数ペア:

[(1, 20416464), (2, 10208232), (3, 6805488), (4, 5104116), (6, 3402744), (8, 2552058), (9, 2268496), (12, 1701372), (16, 1276029), (18, 1134248), (24, 850686), (29, 704016), (36, 567124), (48, 425343), (58, 352008), (72, 283562), (87, 234672), (116, 176004), (144, 141781), (174, 117336), (232, 88002), (261, 78224), (348, 58668), (464, 44001), (522, 39112), (696, 29334), (1044, 19556), (1392, 14667), (2088, 9778), (4176, 4889)]