20399544

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 61776000

約数和(自身を除く): 41376456

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 43, 44, 66, 72, 86, 88, 99, 129, 132, 172, 198, 258, 264, 344, 387, 396, 473, 516, 599, 774, 792, 946, 1032, 1198, 1419, 1548, 1797, 1892, 2396, 2838, 3096, 3594, 3784, 4257, 4792, 5391, 5676, 6589, 7188, 8514, 10782, 11352, 13178, 14376, 17028, 19767, 21564, 25757, 26356, 34056, 39534, 43128, 51514, 52712, 59301, 77271, 79068, 103028, 118602, 154542, 158136, 206056, 231813, 237204, 283327, 309084, 463626, 474408, 566654, 618168, 849981, 927252, 1133308, 1699962, 1854504, 2266616, 2549943, 3399924, 5099886, 6799848, 10199772, 20399544]

約数ペア:

[(1, 20399544), (2, 10199772), (3, 6799848), (4, 5099886), (6, 3399924), (8, 2549943), (9, 2266616), (11, 1854504), (12, 1699962), (18, 1133308), (22, 927252), (24, 849981), (33, 618168), (36, 566654), (43, 474408), (44, 463626), (66, 309084), (72, 283327), (86, 237204), (88, 231813), (99, 206056), (129, 158136), (132, 154542), (172, 118602), (198, 103028), (258, 79068), (264, 77271), (344, 59301), (387, 52712), (396, 51514), (473, 43128), (516, 39534), (599, 34056), (774, 26356), (792, 25757), (946, 21564), (1032, 19767), (1198, 17028), (1419, 14376), (1548, 13178), (1797, 11352), (1892, 10782), (2396, 8514), (2838, 7188), (3096, 6589), (3594, 5676), (3784, 5391), (4257, 4792)]