20668250

素因数分解:

$2^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 18868390

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 125, 235, 250, 470, 1175, 1759, 2350, 3518, 5875, 8795, 11750, 17590, 43975, 82673, 87950, 165346, 219875, 413365, 439750, 826730, 2066825, 4133650, 10334125, 20668250]

約数ペア:

[(1, 20668250), (2, 10334125), (5, 4133650), (10, 2066825), (25, 826730), (47, 439750), (50, 413365), (94, 219875), (125, 165346), (235, 87950), (250, 82673), (470, 43975), (1175, 17590), (1759, 11750), (2350, 8795), (3518, 5875)]