20657760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43037}}^1$

素因数の和:43055

約数の個数: 48

約数和(自身を含む): 65073456

約数和(自身を除く): 44415696

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, 240, 480, 43037, 86074, 129111, 172148, 215185, 258222, 344296, 430370, 516444, 645555, 688592, 860740, 1032888, 1291110, 1377184, 1721480, 2065776, 2582220, 3442960, 4131552, 5164440, 6885920, 10328880, 20657760]

約数ペア:

[(1, 20657760), (2, 10328880), (3, 6885920), (4, 5164440), (5, 4131552), (6, 3442960), (8, 2582220), (10, 2065776), (12, 1721480), (15, 1377184), (16, 1291110), (20, 1032888), (24, 860740), (30, 688592), (32, 645555), (40, 516444), (48, 430370), (60, 344296), (80, 258222), (96, 215185), (120, 172148), (160, 129111), (240, 86074), (480, 43037)]