20873336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1229}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 42951600

約数和(自身を除く): 22078264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 193, 386, 772, 1229, 1544, 2123, 2458, 4246, 4916, 8492, 9832, 13519, 16984, 27038, 54076, 108152, 237197, 474394, 948788, 1897576, 2609167, 5218334, 10436668, 20873336]

約数ペア:

[(1, 20873336), (2, 10436668), (4, 5218334), (8, 2609167), (11, 1897576), (22, 948788), (44, 474394), (88, 237197), (193, 108152), (386, 54076), (772, 27038), (1229, 16984), (1544, 13519), (2123, 9832), (2458, 8492), (4246, 4916)]