20256299

素因数分解:

$7^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 32

約数和(自身を含む): 26726400

約数和(自身を除く): 6470101

約数列:

[1, 7, 17, 19, 31, 119, 133, 217, 289, 323, 527, 589, 2023, 2261, 3689, 4123, 4913, 5491, 8959, 10013, 34391, 38437, 62713, 70091, 93347, 152303, 170221, 653429, 1066121, 1191547, 2893757, 20256299]

約数ペア:

[(1, 20256299), (7, 2893757), (17, 1191547), (19, 1066121), (31, 653429), (119, 170221), (133, 152303), (217, 93347), (289, 70091), (323, 62713), (527, 38437), (589, 34391), (2023, 10013), (2261, 8959), (3689, 5491), (4123, 4913)]