20300709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11955291

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 237, 429, 599, 869, 1027, 1797, 2607, 3081, 6589, 7787, 11297, 19767, 23361, 33891, 47321, 85657, 141963, 256971, 520531, 615173, 1561593, 1845519, 6766903, 20300709]

約数ペア:

[(1, 20300709), (3, 6766903), (11, 1845519), (13, 1561593), (33, 615173), (39, 520531), (79, 256971), (143, 141963), (237, 85657), (429, 47321), (599, 33891), (869, 23361), (1027, 19767), (1797, 11297), (2607, 7787), (3081, 6589)]