20564192

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 72

約数和(自身を含む): 45849888

約数和(自身を除く): 25285696

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 113, 121, 176, 188, 226, 242, 352, 376, 452, 484, 517, 752, 904, 968, 1034, 1243, 1504, 1808, 1936, 2068, 2486, 3616, 3872, 4136, 4972, 5311, 5687, 8272, 9944, 10622, 11374, 13673, 16544, 19888, 21244, 22748, 27346, 39776, 42488, 45496, 54692, 58421, 84976, 90992, 109384, 116842, 169952, 181984, 218768, 233684, 437536, 467368, 642631, 934736, 1285262, 1869472, 2570524, 5141048, 10282096, 20564192]

約数ペア:

[(1, 20564192), (2, 10282096), (4, 5141048), (8, 2570524), (11, 1869472), (16, 1285262), (22, 934736), (32, 642631), (44, 467368), (47, 437536), (88, 233684), (94, 218768), (113, 181984), (121, 169952), (176, 116842), (188, 109384), (226, 90992), (242, 84976), (352, 58421), (376, 54692), (452, 45496), (484, 42488), (517, 39776), (752, 27346), (904, 22748), (968, 21244), (1034, 19888), (1243, 16544), (1504, 13673), (1808, 11374), (1936, 10622), (2068, 9944), (2486, 8272), (3616, 5687), (3872, 5311), (4136, 4972)]