12636820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90263}}^1$

素因数の和:90279

約数の個数: 24

約数和(自身を含む): 30328704

約数和(自身を除く): 17691884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90263, 180526, 361052, 451315, 631841, 902630, 1263682, 1805260, 2527364, 3159205, 6318410, 12636820]

約数ペア:

[(1, 12636820), (2, 6318410), (4, 3159205), (5, 2527364), (7, 1805260), (10, 1263682), (14, 902630), (20, 631841), (28, 451315), (35, 361052), (70, 180526), (140, 90263)]