20201863924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{514147}}^1$

素因数の和:514228

約数の個数: 48

約数和(自身を含む): 41460894720

約数和(自身を除く): 21259030796

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 188, 209, 418, 517, 836, 893, 1034, 1786, 2068, 3572, 9823, 19646, 39292, 514147, 1028294, 2056588, 5655617, 9768793, 11311234, 19537586, 22622468, 24164909, 39075172, 48329818, 96659636, 107456723, 214913446, 265813999, 429826892, 459133271, 531627998, 918266542, 1063255996, 1836533084, 5050465981, 10100931962, 20201863924]

約数ペア:

[(1, 20201863924), (2, 10100931962), (4, 5050465981), (11, 1836533084), (19, 1063255996), (22, 918266542), (38, 531627998), (44, 459133271), (47, 429826892), (76, 265813999), (94, 214913446), (188, 107456723), (209, 96659636), (418, 48329818), (517, 39075172), (836, 24164909), (893, 22622468), (1034, 19537586), (1786, 11311234), (2068, 9768793), (3572, 5655617), (9823, 2056588), (19646, 1028294), (39292, 514147)]