20751200

素因数分解:

$2^5\times 5^2\times {\mathrm{25939}}^1$

素因数の和:25959

約数の個数: 36

約数和(自身を含む): 50660820

約数和(自身を除く): 29909620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25939, 51878, 103756, 129695, 207512, 259390, 415024, 518780, 648475, 830048, 1037560, 1296950, 2075120, 2593900, 4150240, 5187800, 10375600, 20751200]

約数ペア:

[(1, 20751200), (2, 10375600), (4, 5187800), (5, 4150240), (8, 2593900), (10, 2075120), (16, 1296950), (20, 1037560), (25, 830048), (32, 648475), (40, 518780), (50, 415024), (80, 259390), (100, 207512), (160, 129695), (200, 103756), (400, 51878), (800, 25939)]