20283400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2741}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 48451140

約数和(自身を除く): 28167740

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, 2741, 3700, 5482, 7400, 10964, 13705, 21928, 27410, 54820, 68525, 101417, 109640, 137050, 202834, 274100, 405668, 507085, 548200, 811336, 1014170, 2028340, 2535425, 4056680, 5070850, 10141700, 20283400]

約数ペア:

[(1, 20283400), (2, 10141700), (4, 5070850), (5, 4056680), (8, 2535425), (10, 2028340), (20, 1014170), (25, 811336), (37, 548200), (40, 507085), (50, 405668), (74, 274100), (100, 202834), (148, 137050), (185, 109640), (200, 101417), (296, 68525), (370, 54820), (740, 27410), (925, 21928), (1480, 13705), (1850, 10964), (2741, 7400), (3700, 5482)]