20843040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 66298176

約数和(自身を除く): 45455136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 173, 240, 251, 346, 480, 502, 519, 692, 753, 865, 1004, 1038, 1255, 1384, 1506, 1730, 2008, 2076, 2510, 2595, 2768, 3012, 3460, 3765, 4016, 4152, 5020, 5190, 5536, 6024, 6920, 7530, 8032, 8304, 10040, 10380, 12048, 13840, 15060, 16608, 20080, 20760, 24096, 27680, 30120, 40160, 41520, 43423, 60240, 83040, 86846, 120480, 130269, 173692, 217115, 260538, 347384, 434230, 521076, 651345, 694768, 868460, 1042152, 1302690, 1389536, 1736920, 2084304, 2605380, 3473840, 4168608, 5210760, 6947680, 10421520, 20843040]

約数ペア:

[(1, 20843040), (2, 10421520), (3, 6947680), (4, 5210760), (5, 4168608), (6, 3473840), (8, 2605380), (10, 2084304), (12, 1736920), (15, 1389536), (16, 1302690), (20, 1042152), (24, 868460), (30, 694768), (32, 651345), (40, 521076), (48, 434230), (60, 347384), (80, 260538), (96, 217115), (120, 173692), (160, 130269), (173, 120480), (240, 86846), (251, 83040), (346, 60240), (480, 43423), (502, 41520), (519, 40160), (692, 30120), (753, 27680), (865, 24096), (1004, 20760), (1038, 20080), (1255, 16608), (1384, 15060), (1506, 13840), (1730, 12048), (2008, 10380), (2076, 10040), (2510, 8304), (2595, 8032), (2768, 7530), (3012, 6920), (3460, 6024), (3765, 5536), (4016, 5190), (4152, 5020)]