20191424

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 112

約数和(自身を含む): 48280320

約数和(自身を除く): 28088896

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 29, 32, 43, 44, 46, 58, 64, 86, 88, 92, 116, 172, 176, 184, 232, 253, 319, 344, 352, 368, 464, 473, 506, 638, 667, 688, 704, 736, 928, 946, 989, 1012, 1247, 1276, 1334, 1376, 1472, 1856, 1892, 1978, 2024, 2494, 2552, 2668, 2752, 3784, 3956, 4048, 4988, 5104, 5336, 7337, 7568, 7912, 8096, 9976, 10208, 10672, 10879, 13717, 14674, 15136, 15824, 16192, 19952, 20416, 21344, 21758, 27434, 28681, 29348, 30272, 31648, 39904, 42688, 43516, 54868, 57362, 58696, 63296, 79808, 87032, 109736, 114724, 117392, 174064, 219472, 229448, 234784, 315491, 348128, 438944, 458896, 469568, 630982, 696256, 877888, 917792, 1261964, 1835584, 2523928, 5047856, 10095712, 20191424]

約数ペア:

[(1, 20191424), (2, 10095712), (4, 5047856), (8, 2523928), (11, 1835584), (16, 1261964), (22, 917792), (23, 877888), (29, 696256), (32, 630982), (43, 469568), (44, 458896), (46, 438944), (58, 348128), (64, 315491), (86, 234784), (88, 229448), (92, 219472), (116, 174064), (172, 117392), (176, 114724), (184, 109736), (232, 87032), (253, 79808), (319, 63296), (344, 58696), (352, 57362), (368, 54868), (464, 43516), (473, 42688), (506, 39904), (638, 31648), (667, 30272), (688, 29348), (704, 28681), (736, 27434), (928, 21758), (946, 21344), (989, 20416), (1012, 19952), (1247, 16192), (1276, 15824), (1334, 15136), (1376, 14674), (1472, 13717), (1856, 10879), (1892, 10672), (1978, 10208), (2024, 9976), (2494, 8096), (2552, 7912), (2668, 7568), (2752, 7337), (3784, 5336), (3956, 5104), (4048, 4988)]