20028100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5413}}^1$

素因数の和:5464

約数の個数: 36

約数和(自身を含む): 44643844

約数和(自身を除く): 24615744

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5413, 10826, 21652, 27065, 54130, 108260, 135325, 200281, 270650, 400562, 541300, 801124, 1001405, 2002810, 4005620, 5007025, 10014050, 20028100]

約数ペア:

[(1, 20028100), (2, 10014050), (4, 5007025), (5, 4005620), (10, 2002810), (20, 1001405), (25, 801124), (37, 541300), (50, 400562), (74, 270650), (100, 200281), (148, 135325), (185, 108260), (370, 54130), (740, 27065), (925, 21652), (1850, 10826), (3700, 5413)]