20572600

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3547}}^1$

素因数の和:3592

約数の個数: 48

約数和(自身を含む): 49494600

約数和(自身を除く): 28922000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3547, 5800, 7094, 14188, 17735, 28376, 35470, 70940, 88675, 102863, 141880, 177350, 205726, 354700, 411452, 514315, 709400, 822904, 1028630, 2057260, 2571575, 4114520, 5143150, 10286300, 20572600]

約数ペア:

[(1, 20572600), (2, 10286300), (4, 5143150), (5, 4114520), (8, 2571575), (10, 2057260), (20, 1028630), (25, 822904), (29, 709400), (40, 514315), (50, 411452), (58, 354700), (100, 205726), (116, 177350), (145, 141880), (200, 102863), (232, 88675), (290, 70940), (580, 35470), (725, 28376), (1160, 17735), (1450, 14188), (2900, 7094), (3547, 5800)]