20829888

素因数分解:

$2^6\times 3^2\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 126

約数和(自身を含む): 63272924

約数和(自身を除く): 42443036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 43, 48, 58, 64, 72, 86, 87, 96, 116, 129, 144, 172, 174, 192, 232, 258, 261, 288, 344, 348, 387, 464, 516, 522, 576, 688, 696, 774, 841, 928, 1032, 1044, 1247, 1376, 1392, 1548, 1682, 1856, 2064, 2088, 2494, 2523, 2752, 2784, 3096, 3364, 3741, 4128, 4176, 4988, 5046, 5568, 6192, 6728, 7482, 7569, 8256, 8352, 9976, 10092, 11223, 12384, 13456, 14964, 15138, 16704, 19952, 20184, 22446, 24768, 26912, 29928, 30276, 36163, 39904, 40368, 44892, 53824, 59856, 60552, 72326, 79808, 80736, 89784, 108489, 119712, 121104, 144652, 161472, 179568, 216978, 239424, 242208, 289304, 325467, 359136, 433956, 484416, 578608, 650934, 718272, 867912, 1157216, 1301868, 1735824, 2314432, 2603736, 3471648, 5207472, 6943296, 10414944, 20829888]

約数ペア:

[(1, 20829888), (2, 10414944), (3, 6943296), (4, 5207472), (6, 3471648), (8, 2603736), (9, 2314432), (12, 1735824), (16, 1301868), (18, 1157216), (24, 867912), (29, 718272), (32, 650934), (36, 578608), (43, 484416), (48, 433956), (58, 359136), (64, 325467), (72, 289304), (86, 242208), (87, 239424), (96, 216978), (116, 179568), (129, 161472), (144, 144652), (172, 121104), (174, 119712), (192, 108489), (232, 89784), (258, 80736), (261, 79808), (288, 72326), (344, 60552), (348, 59856), (387, 53824), (464, 44892), (516, 40368), (522, 39904), (576, 36163), (688, 30276), (696, 29928), (774, 26912), (841, 24768), (928, 22446), (1032, 20184), (1044, 19952), (1247, 16704), (1376, 15138), (1392, 14964), (1548, 13456), (1682, 12384), (1856, 11223), (2064, 10092), (2088, 9976), (2494, 8352), (2523, 8256), (2752, 7569), (2784, 7482), (3096, 6728), (3364, 6192), (3741, 5568), (4128, 5046), (4176, 4988)]