20112508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{839}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 38031840

約数和(自身を除く): 17919332

約数列:

[1, 2, 4, 13, 26, 52, 461, 839, 922, 1678, 1844, 3356, 5993, 10907, 11986, 21814, 23972, 43628, 386779, 773558, 1547116, 5028127, 10056254, 20112508]

約数ペア:

[(1, 20112508), (2, 10056254), (4, 5028127), (13, 1547116), (26, 773558), (52, 386779), (461, 43628), (839, 23972), (922, 21814), (1678, 11986), (1844, 10907), (3356, 5993)]