20883764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{911}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 39989376

約数和(自身を除く): 19105612

約数列:

[1, 2, 4, 11, 22, 44, 521, 911, 1042, 1822, 2084, 3644, 5731, 10021, 11462, 20042, 22924, 40084, 474631, 949262, 1898524, 5220941, 10441882, 20883764]

約数ペア:

[(1, 20883764), (2, 10441882), (4, 5220941), (11, 1898524), (22, 949262), (44, 474631), (521, 40084), (911, 22924), (1042, 20042), (1822, 11462), (2084, 10021), (3644, 5731)]