20389968117

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{17657}}^1\times {\mathrm{4139}}^1$

素因数の和:21833

約数の個数: 24

約数和(自身を含む): 30411313920

約数和(自身を除く): 10021345803

約数列:

[1, 3, 9, 31, 93, 279, 4139, 12417, 17657, 37251, 52971, 128309, 158913, 384927, 547367, 1154781, 1642101, 4926303, 73082323, 219246969, 657740907, 2265552013, 6796656039, 20389968117]

約数ペア:

[(1, 20389968117), (3, 6796656039), (9, 2265552013), (31, 657740907), (93, 219246969), (279, 73082323), (4139, 4926303), (12417, 1642101), (17657, 1154781), (37251, 547367), (52971, 384927), (128309, 158913)]