20593520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5477}}^1$

素因数の和:5537

約数の個数: 40

約数和(自身を含む): 48907584

約数和(自身を除く): 28314064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5477, 10954, 21908, 27385, 43816, 54770, 87632, 109540, 219080, 257419, 438160, 514838, 1029676, 1287095, 2059352, 2574190, 4118704, 5148380, 10296760, 20593520]

約数ペア:

[(1, 20593520), (2, 10296760), (4, 5148380), (5, 4118704), (8, 2574190), (10, 2059352), (16, 1287095), (20, 1029676), (40, 514838), (47, 438160), (80, 257419), (94, 219080), (188, 109540), (235, 87632), (376, 54770), (470, 43816), (752, 27385), (940, 21908), (1880, 10954), (3760, 5477)]