20289588

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 55544832

約数和(自身を除く): 35255244

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 41, 44, 46, 66, 69, 82, 92, 123, 132, 138, 163, 164, 246, 253, 276, 326, 451, 489, 492, 506, 652, 759, 902, 943, 978, 1012, 1353, 1518, 1793, 1804, 1886, 1956, 2706, 2829, 3036, 3586, 3749, 3772, 5379, 5412, 5658, 6683, 7172, 7498, 10373, 10758, 11247, 11316, 13366, 14996, 20049, 20746, 21516, 22494, 26732, 31119, 40098, 41239, 41492, 44988, 62238, 73513, 80196, 82478, 123717, 124476, 147026, 153709, 164956, 220539, 247434, 294052, 307418, 441078, 461127, 494868, 614836, 882156, 922254, 1690799, 1844508, 3381598, 5072397, 6763196, 10144794, 20289588]

約数ペア:

[(1, 20289588), (2, 10144794), (3, 6763196), (4, 5072397), (6, 3381598), (11, 1844508), (12, 1690799), (22, 922254), (23, 882156), (33, 614836), (41, 494868), (44, 461127), (46, 441078), (66, 307418), (69, 294052), (82, 247434), (92, 220539), (123, 164956), (132, 153709), (138, 147026), (163, 124476), (164, 123717), (246, 82478), (253, 80196), (276, 73513), (326, 62238), (451, 44988), (489, 41492), (492, 41239), (506, 40098), (652, 31119), (759, 26732), (902, 22494), (943, 21516), (978, 20746), (1012, 20049), (1353, 14996), (1518, 13366), (1793, 11316), (1804, 11247), (1886, 10758), (1956, 10373), (2706, 7498), (2829, 7172), (3036, 6683), (3586, 5658), (3749, 5412), (3772, 5379)]