20743485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11621}}^1$

素因数の和:11653

約数の個数: 32

約数和(自身を含む): 40165632

約数和(自身を除く): 19422147

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11621, 34863, 58105, 81347, 174315, 197557, 244041, 406735, 592671, 987785, 1220205, 1382899, 2963355, 4148697, 6914495, 20743485]

約数ペア:

[(1, 20743485), (3, 6914495), (5, 4148697), (7, 2963355), (15, 1382899), (17, 1220205), (21, 987785), (35, 592671), (51, 406735), (85, 244041), (105, 197557), (119, 174315), (255, 81347), (357, 58105), (595, 34863), (1785, 11621)]