20512128956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{21323}}^1\times {\mathrm{21863}}^1$

素因数の和:43201

約数の個数: 24

約数和(自身を含む): 39163146624

約数和(自身を除く): 18651017668

約数列:

[1, 2, 4, 11, 22, 44, 21323, 21863, 42646, 43726, 85292, 87452, 234553, 240493, 469106, 480986, 938212, 961972, 466184749, 932369498, 1864738996, 5128032239, 10256064478, 20512128956]

約数ペア:

[(1, 20512128956), (2, 10256064478), (4, 5128032239), (11, 1864738996), (22, 932369498), (44, 466184749), (21323, 961972), (21863, 938212), (42646, 480986), (43726, 469106), (85292, 240493), (87452, 234553)]