20191280208

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{889327}}^1$

素因数の和:889392

約数の個数: 80

約数和(自身を含む): 58226082816

約数和(自身を除く): 38034802608

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 43, 44, 48, 66, 86, 88, 129, 132, 172, 176, 258, 264, 344, 473, 516, 528, 688, 946, 1032, 1419, 1892, 2064, 2838, 3784, 5676, 7568, 11352, 22704, 889327, 1778654, 2667981, 3557308, 5335962, 7114616, 9782597, 10671924, 14229232, 19565194, 21343848, 29347791, 38241061, 39130388, 42687696, 58695582, 76482122, 78260776, 114723183, 117391164, 152964244, 156521552, 229446366, 234782328, 305928488, 420651671, 458892732, 469564656, 611856976, 841303342, 917785464, 1261955013, 1682606684, 1835570928, 2523910026, 3365213368, 5047820052, 6730426736, 10095640104, 20191280208]

約数ペア:

[(1, 20191280208), (2, 10095640104), (3, 6730426736), (4, 5047820052), (6, 3365213368), (8, 2523910026), (11, 1835570928), (12, 1682606684), (16, 1261955013), (22, 917785464), (24, 841303342), (33, 611856976), (43, 469564656), (44, 458892732), (48, 420651671), (66, 305928488), (86, 234782328), (88, 229446366), (129, 156521552), (132, 152964244), (172, 117391164), (176, 114723183), (258, 78260776), (264, 76482122), (344, 58695582), (473, 42687696), (516, 39130388), (528, 38241061), (688, 29347791), (946, 21343848), (1032, 19565194), (1419, 14229232), (1892, 10671924), (2064, 9782597), (2838, 7114616), (3784, 5335962), (5676, 3557308), (7568, 2667981), (11352, 1778654), (22704, 889327)]