20640932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1433}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 39067896

約数和(自身を除く): 18426964

約数列:

[1, 2, 4, 13, 26, 52, 277, 554, 1108, 1433, 2866, 3601, 5732, 7202, 14404, 18629, 37258, 74516, 396941, 793882, 1587764, 5160233, 10320466, 20640932]

約数ペア:

[(1, 20640932), (2, 10320466), (4, 5160233), (13, 1587764), (26, 793882), (52, 396941), (277, 74516), (554, 37258), (1108, 18629), (1433, 14404), (2866, 7202), (3601, 5732)]