20510040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2551}}^1$

素因数の和:2632

約数の個数: 64

約数和(自身を含む): 62472960

約数和(自身を除く): 41962920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2551, 2680, 4020, 5102, 7653, 8040, 10204, 12755, 15306, 20408, 25510, 30612, 38265, 51020, 61224, 76530, 102040, 153060, 170917, 306120, 341834, 512751, 683668, 854585, 1025502, 1367336, 1709170, 2051004, 2563755, 3418340, 4102008, 5127510, 6836680, 10255020, 20510040]

約数ペア:

[(1, 20510040), (2, 10255020), (3, 6836680), (4, 5127510), (5, 4102008), (6, 3418340), (8, 2563755), (10, 2051004), (12, 1709170), (15, 1367336), (20, 1025502), (24, 854585), (30, 683668), (40, 512751), (60, 341834), (67, 306120), (120, 170917), (134, 153060), (201, 102040), (268, 76530), (335, 61224), (402, 51020), (536, 38265), (670, 30612), (804, 25510), (1005, 20408), (1340, 15306), (1608, 12755), (2010, 10204), (2551, 8040), (2680, 7653), (4020, 5102)]