20774516

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13999}}^1$

素因数の和:14063

約数の個数: 24

約数和(自身を含む): 42336000

約数和(自身を除く): 21561484

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13999, 27998, 55996, 97993, 195986, 391972, 741947, 1483894, 2967788, 5193629, 10387258, 20774516]

約数ペア:

[(1, 20774516), (2, 10387258), (4, 5193629), (7, 2967788), (14, 1483894), (28, 741947), (53, 391972), (106, 195986), (212, 97993), (371, 55996), (742, 27998), (1484, 13999)]