20061400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2711}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 47921040

約数和(自身を除く): 27859640

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, 2711, 3700, 5422, 7400, 10844, 13555, 21688, 27110, 54220, 67775, 100307, 108440, 135550, 200614, 271100, 401228, 501535, 542200, 802456, 1003070, 2006140, 2507675, 4012280, 5015350, 10030700, 20061400]

約数ペア:

[(1, 20061400), (2, 10030700), (4, 5015350), (5, 4012280), (8, 2507675), (10, 2006140), (20, 1003070), (25, 802456), (37, 542200), (40, 501535), (50, 401228), (74, 271100), (100, 200614), (148, 135550), (185, 108440), (200, 100307), (296, 67775), (370, 54220), (740, 27110), (925, 21688), (1480, 13555), (1850, 10844), (2711, 7400), (3700, 5422)]