20290435191

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{81919}}^1$

素因数の和:82040

約数の個数: 48

約数和(自身を含む): 33098956800

約数和(自身を除く): 12808521609

約数列:

[1, 3, 9, 13, 29, 39, 73, 87, 117, 219, 261, 377, 657, 949, 1131, 2117, 2847, 3393, 6351, 8541, 19053, 27521, 81919, 82563, 245757, 247689, 737271, 1064947, 2375651, 3194841, 5980087, 7126953, 9584523, 17940261, 21380859, 30883463, 53820783, 77741131, 92650389, 173422523, 233223393, 277951167, 520267569, 699670179, 1560802707, 2254492799, 6763478397, 20290435191]

約数ペア:

[(1, 20290435191), (3, 6763478397), (9, 2254492799), (13, 1560802707), (29, 699670179), (39, 520267569), (73, 277951167), (87, 233223393), (117, 173422523), (219, 92650389), (261, 77741131), (377, 53820783), (657, 30883463), (949, 21380859), (1131, 17940261), (2117, 9584523), (2847, 7126953), (3393, 5980087), (6351, 3194841), (8541, 2375651), (19053, 1064947), (27521, 737271), (81919, 247689), (82563, 245757)]