20964348

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15739}}^1$

素因数の和:15786

約数の個数: 36

約数和(自身を含む): 54428920

約数和(自身を除く): 33464572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15739, 31478, 47217, 62956, 94434, 141651, 188868, 283302, 566604, 582343, 1164686, 1747029, 2329372, 3494058, 5241087, 6988116, 10482174, 20964348]

約数ペア:

[(1, 20964348), (2, 10482174), (3, 6988116), (4, 5241087), (6, 3494058), (9, 2329372), (12, 1747029), (18, 1164686), (36, 582343), (37, 566604), (74, 283302), (111, 188868), (148, 141651), (222, 94434), (333, 62956), (444, 47217), (666, 31478), (1332, 15739)]