20568808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8599}}^1$

素因数の和:8641

約数の個数: 32

約数和(自身を含む): 43344000

約数和(自身を除く): 22775192

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8599, 17198, 34396, 68792, 111787, 197777, 223574, 395554, 447148, 791108, 894296, 1582216, 2571101, 5142202, 10284404, 20568808]

約数ペア:

[(1, 20568808), (2, 10284404), (4, 5142202), (8, 2571101), (13, 1582216), (23, 894296), (26, 791108), (46, 447148), (52, 395554), (92, 223574), (104, 197777), (184, 111787), (299, 68792), (598, 34396), (1196, 17198), (2392, 8599)]