20555710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2851}}^1$

素因数の和:2968

約数の個数: 32

約数和(自身を含む): 42711552

約数和(自身を除く): 22155842

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2851, 3605, 5702, 7210, 14255, 19957, 28510, 39914, 99785, 199570, 293653, 587306, 1468265, 2055571, 2936530, 4111142, 10277855, 20555710]

約数ペア:

[(1, 20555710), (2, 10277855), (5, 4111142), (7, 2936530), (10, 2055571), (14, 1468265), (35, 587306), (70, 293653), (103, 199570), (206, 99785), (515, 39914), (721, 28510), (1030, 19957), (1442, 14255), (2851, 7210), (3605, 5702)]