20214400

素因数分解:

$2^7\times 5^2\times {\mathrm{6317}}^1$

素因数の和:6341

約数の個数: 48

約数和(自身を含む): 49943790

約数和(自身を除く): 29729390

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6317, 12634, 25268, 31585, 50536, 63170, 101072, 126340, 157925, 202144, 252680, 315850, 404288, 505360, 631700, 808576, 1010720, 1263400, 2021440, 2526800, 4042880, 5053600, 10107200, 20214400]

約数ペア:

[(1, 20214400), (2, 10107200), (4, 5053600), (5, 4042880), (8, 2526800), (10, 2021440), (16, 1263400), (20, 1010720), (25, 808576), (32, 631700), (40, 505360), (50, 404288), (64, 315850), (80, 252680), (100, 202144), (128, 157925), (160, 126340), (200, 101072), (320, 63170), (400, 50536), (640, 31585), (800, 25268), (1600, 12634), (3200, 6317)]