20761928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1801}}^1$

素因数の和:1949

約数の個数: 32

約数和(自身を含む): 42815520

約数和(自身を除く): 22053592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1801, 2882, 3602, 5764, 7204, 11528, 14408, 19811, 39622, 79244, 158488, 235931, 471862, 943724, 1887448, 2595241, 5190482, 10380964, 20761928]

約数ペア:

[(1, 20761928), (2, 10380964), (4, 5190482), (8, 2595241), (11, 1887448), (22, 943724), (44, 471862), (88, 235931), (131, 158488), (262, 79244), (524, 39622), (1048, 19811), (1441, 14408), (1801, 11528), (2882, 7204), (3602, 5764)]