20011095

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 17903145

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 79, 117, 195, 237, 395, 433, 585, 711, 1027, 1185, 1299, 2165, 3081, 3555, 3897, 5135, 5629, 6495, 9243, 15405, 16887, 19485, 28145, 34207, 46215, 50661, 84435, 102621, 171035, 253305, 307863, 444691, 513105, 1334073, 1539315, 2223455, 4002219, 6670365, 20011095]

約数ペア:

[(1, 20011095), (3, 6670365), (5, 4002219), (9, 2223455), (13, 1539315), (15, 1334073), (39, 513105), (45, 444691), (65, 307863), (79, 253305), (117, 171035), (195, 102621), (237, 84435), (395, 50661), (433, 46215), (585, 34207), (711, 28145), (1027, 19485), (1185, 16887), (1299, 15405), (2165, 9243), (3081, 6495), (3555, 5629), (3897, 5135)]