20200884

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3559}}^1$

素因数の和:3620

約数の個数: 48

約数和(自身を含む): 52631040

約数和(自身を除く): 32430156

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3559, 5676, 7118, 10677, 14236, 21354, 39149, 42708, 78298, 117447, 153037, 156596, 234894, 306074, 459111, 469788, 612148, 918222, 1683407, 1836444, 3366814, 5050221, 6733628, 10100442, 20200884]

約数ペア:

[(1, 20200884), (2, 10100442), (3, 6733628), (4, 5050221), (6, 3366814), (11, 1836444), (12, 1683407), (22, 918222), (33, 612148), (43, 469788), (44, 459111), (66, 306074), (86, 234894), (129, 156596), (132, 153037), (172, 117447), (258, 78298), (473, 42708), (516, 39149), (946, 21354), (1419, 14236), (1892, 10677), (2838, 7118), (3559, 5676)]