20068765

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 26000640

約数和(自身を除く): 5931875

約数列:

[1, 5, 23, 47, 79, 115, 235, 395, 1081, 1817, 2209, 3713, 5405, 9085, 11045, 18565, 50807, 85399, 174511, 254035, 426995, 872555, 4013753, 20068765]

約数ペア:

[(1, 20068765), (5, 4013753), (23, 872555), (47, 426995), (79, 254035), (115, 174511), (235, 85399), (395, 50807), (1081, 18565), (1817, 11045), (2209, 9085), (3713, 5405)]