20834880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1973}}^1$

素因数の和:2004

約数の個数: 112

約数和(自身を含む): 72201024

約数和(自身を除く): 51366144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 1973, 2112, 2640, 3520, 3946, 5280, 5919, 7892, 9865, 10560, 11838, 15784, 19730, 21703, 23676, 29595, 31568, 39460, 43406, 47352, 59190, 63136, 65109, 78920, 86812, 94704, 108515, 118380, 126272, 130218, 157840, 173624, 189408, 217030, 236760, 260436, 315680, 325545, 347248, 378816, 434060, 473520, 520872, 631360, 651090, 694496, 868120, 947040, 1041744, 1302180, 1388992, 1736240, 1894080, 2083488, 2604360, 3472480, 4166976, 5208720, 6944960, 10417440, 20834880]

約数ペア:

[(1, 20834880), (2, 10417440), (3, 6944960), (4, 5208720), (5, 4166976), (6, 3472480), (8, 2604360), (10, 2083488), (11, 1894080), (12, 1736240), (15, 1388992), (16, 1302180), (20, 1041744), (22, 947040), (24, 868120), (30, 694496), (32, 651090), (33, 631360), (40, 520872), (44, 473520), (48, 434060), (55, 378816), (60, 347248), (64, 325545), (66, 315680), (80, 260436), (88, 236760), (96, 217030), (110, 189408), (120, 173624), (132, 157840), (160, 130218), (165, 126272), (176, 118380), (192, 108515), (220, 94704), (240, 86812), (264, 78920), (320, 65109), (330, 63136), (352, 59190), (440, 47352), (480, 43406), (528, 39460), (660, 31568), (704, 29595), (880, 23676), (960, 21703), (1056, 19730), (1320, 15784), (1760, 11838), (1973, 10560), (2112, 9865), (2640, 7892), (3520, 5919), (3946, 5280)]