20278464

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3407}}^1$

素因数の和:3453

約数の個数: 56

約数和(自身を含む): 55400448

約数和(自身を除く): 35121984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 3407, 5952, 6814, 10221, 13628, 20442, 27256, 40884, 54512, 81768, 105617, 109024, 163536, 211234, 218048, 316851, 327072, 422468, 633702, 654144, 844936, 1267404, 1689872, 2534808, 3379744, 5069616, 6759488, 10139232, 20278464]

約数ペア:

[(1, 20278464), (2, 10139232), (3, 6759488), (4, 5069616), (6, 3379744), (8, 2534808), (12, 1689872), (16, 1267404), (24, 844936), (31, 654144), (32, 633702), (48, 422468), (62, 327072), (64, 316851), (93, 218048), (96, 211234), (124, 163536), (186, 109024), (192, 105617), (248, 81768), (372, 54512), (496, 40884), (744, 27256), (992, 20442), (1488, 13628), (1984, 10221), (2976, 6814), (3407, 5952)]