20303166

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2136

約数の個数: 32

約数和(自身を含む): 44085888

約数和(自身を除く): 23782722

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 1987, 3406, 3974, 5109, 5961, 10218, 11922, 25831, 51662, 77493, 154986, 260297, 520594, 780891, 1561782, 3383861, 6767722, 10151583, 20303166]

約数ペア:

[(1, 20303166), (2, 10151583), (3, 6767722), (6, 3383861), (13, 1561782), (26, 780891), (39, 520594), (78, 260297), (131, 154986), (262, 77493), (393, 51662), (786, 25831), (1703, 11922), (1987, 10218), (3406, 5961), (3974, 5109)]