20000728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227281}}^1$

素因数の和:227298

約数の個数: 16

約数和(自身を含む): 40910760

約数和(自身を除く): 20910032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227281, 454562, 909124, 1818248, 2500091, 5000182, 10000364, 20000728]

約数ペア:

[(1, 20000728), (2, 10000364), (4, 5000182), (8, 2500091), (11, 1818248), (22, 909124), (44, 454562), (88, 227281)]