20044818

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 45031896

約数和(自身を除く): 24987078

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 157, 173, 246, 314, 346, 369, 471, 519, 738, 942, 1038, 1413, 1557, 2826, 3114, 6437, 7093, 12874, 14186, 19311, 21279, 27161, 38622, 42558, 54322, 57933, 63837, 81483, 115866, 127674, 162966, 244449, 488898, 1113601, 2227202, 3340803, 6681606, 10022409, 20044818]

約数ペア:

[(1, 20044818), (2, 10022409), (3, 6681606), (6, 3340803), (9, 2227202), (18, 1113601), (41, 488898), (82, 244449), (123, 162966), (157, 127674), (173, 115866), (246, 81483), (314, 63837), (346, 57933), (369, 54322), (471, 42558), (519, 38622), (738, 27161), (942, 21279), (1038, 19311), (1413, 14186), (1557, 12874), (2826, 7093), (3114, 6437)]