20387180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92669}}^1$

素因数の和:92689

約数の個数: 24

約数和(自身を含む): 46705680

約数和(自身を除く): 26318500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 92669, 185338, 370676, 463345, 926690, 1019359, 1853380, 2038718, 4077436, 5096795, 10193590, 20387180]

約数ペア:

[(1, 20387180), (2, 10193590), (4, 5096795), (5, 4077436), (10, 2038718), (11, 1853380), (20, 1019359), (22, 926690), (44, 463345), (55, 370676), (110, 185338), (220, 92669)]