20294556

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^3\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 49862400

約数和(自身を除く): 29567844

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 139, 276, 278, 417, 529, 556, 834, 1058, 1587, 1668, 2116, 3174, 3197, 6348, 6394, 9591, 12167, 12788, 19182, 24334, 36501, 38364, 48668, 73002, 73531, 146004, 147062, 220593, 294124, 441186, 882372, 1691213, 3382426, 5073639, 6764852, 10147278, 20294556]

約数ペア:

[(1, 20294556), (2, 10147278), (3, 6764852), (4, 5073639), (6, 3382426), (12, 1691213), (23, 882372), (46, 441186), (69, 294124), (92, 220593), (138, 147062), (139, 146004), (276, 73531), (278, 73002), (417, 48668), (529, 38364), (556, 36501), (834, 24334), (1058, 19182), (1587, 12788), (1668, 12167), (2116, 9591), (3174, 6394), (3197, 6348)]