20118681

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1973}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 32026176

約数和(自身を除く): 11907495

約数列:

[1, 3, 9, 11, 33, 99, 103, 309, 927, 1133, 1973, 3399, 5919, 10197, 17757, 21703, 65109, 195327, 203219, 609657, 1828971, 2235409, 6706227, 20118681]

約数ペア:

[(1, 20118681), (3, 6706227), (9, 2235409), (11, 1828971), (33, 609657), (99, 203219), (103, 195327), (309, 65109), (927, 21703), (1133, 17757), (1973, 10197), (3399, 5919)]