20471508

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 56179200

約数和(自身を除く): 35707692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 47, 54, 74, 94, 108, 109, 111, 141, 148, 188, 218, 222, 282, 327, 333, 423, 436, 444, 564, 654, 666, 846, 981, 999, 1269, 1308, 1332, 1692, 1739, 1962, 1998, 2538, 2943, 3478, 3924, 3996, 4033, 5076, 5123, 5217, 5886, 6956, 8066, 10246, 10434, 11772, 12099, 15369, 15651, 16132, 20492, 20868, 24198, 30738, 31302, 36297, 46107, 46953, 48396, 61476, 62604, 72594, 92214, 93906, 108891, 138321, 145188, 184428, 187812, 189551, 217782, 276642, 379102, 435564, 553284, 568653, 758204, 1137306, 1705959, 2274612, 3411918, 5117877, 6823836, 10235754, 20471508]

約数ペア:

[(1, 20471508), (2, 10235754), (3, 6823836), (4, 5117877), (6, 3411918), (9, 2274612), (12, 1705959), (18, 1137306), (27, 758204), (36, 568653), (37, 553284), (47, 435564), (54, 379102), (74, 276642), (94, 217782), (108, 189551), (109, 187812), (111, 184428), (141, 145188), (148, 138321), (188, 108891), (218, 93906), (222, 92214), (282, 72594), (327, 62604), (333, 61476), (423, 48396), (436, 46953), (444, 46107), (564, 36297), (654, 31302), (666, 30738), (846, 24198), (981, 20868), (999, 20492), (1269, 16132), (1308, 15651), (1332, 15369), (1692, 12099), (1739, 11772), (1962, 10434), (1998, 10246), (2538, 8066), (2943, 6956), (3478, 5886), (3924, 5217), (3996, 5123), (4033, 5076)]