20860600

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2819}}^1$

素因数の和:2872

約数の個数: 48

約数和(自身を含む): 49829400

約数和(自身を除く): 28968800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 2819, 3700, 5638, 7400, 11276, 14095, 22552, 28190, 56380, 70475, 104303, 112760, 140950, 208606, 281900, 417212, 521515, 563800, 834424, 1043030, 2086060, 2607575, 4172120, 5215150, 10430300, 20860600]

約数ペア:

[(1, 20860600), (2, 10430300), (4, 5215150), (5, 4172120), (8, 2607575), (10, 2086060), (20, 1043030), (25, 834424), (37, 563800), (40, 521515), (50, 417212), (74, 281900), (100, 208606), (148, 140950), (185, 112760), (200, 104303), (296, 70475), (370, 56380), (740, 28190), (925, 22552), (1480, 14095), (1850, 11276), (2819, 7400), (3700, 5638)]