20820529

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2161871

約数列:

[1, 17, 37, 79, 419, 629, 1343, 2923, 7123, 15503, 33101, 49691, 263551, 562717, 1224737, 20820529]

約数ペア:

[(1, 20820529), (17, 1224737), (37, 562717), (79, 263551), (419, 49691), (629, 33101), (1343, 15503), (2923, 7123)]