20159944

素因数分解:

$2^3\times 7^1\times {\mathrm{599}}^1\times {\mathrm{601}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 43344000

約数和(自身を除く): 23184056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 599, 601, 1198, 1202, 2396, 2404, 4193, 4207, 4792, 4808, 8386, 8414, 16772, 16828, 33544, 33656, 359999, 719998, 1439996, 2519993, 2879992, 5039986, 10079972, 20159944]

約数ペア:

[(1, 20159944), (2, 10079972), (4, 5039986), (7, 2879992), (8, 2519993), (14, 1439996), (28, 719998), (56, 359999), (599, 33656), (601, 33544), (1198, 16828), (1202, 16772), (2396, 8414), (2404, 8386), (4193, 4808), (4207, 4792)]