20375808

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 55580448

約数和(自身を除く): 35204640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 617, 688, 768, 1032, 1234, 1376, 1851, 2064, 2468, 2752, 3702, 4128, 4936, 5504, 7404, 8256, 9872, 11008, 14808, 16512, 19744, 26531, 29616, 33024, 39488, 53062, 59232, 78976, 79593, 106124, 118464, 157952, 159186, 212248, 236928, 318372, 424496, 473856, 636744, 848992, 1273488, 1697984, 2546976, 3395968, 5093952, 6791936, 10187904, 20375808]

約数ペア:

[(1, 20375808), (2, 10187904), (3, 6791936), (4, 5093952), (6, 3395968), (8, 2546976), (12, 1697984), (16, 1273488), (24, 848992), (32, 636744), (43, 473856), (48, 424496), (64, 318372), (86, 236928), (96, 212248), (128, 159186), (129, 157952), (172, 118464), (192, 106124), (256, 79593), (258, 78976), (344, 59232), (384, 53062), (516, 39488), (617, 33024), (688, 29616), (768, 26531), (1032, 19744), (1234, 16512), (1376, 14808), (1851, 11008), (2064, 9872), (2468, 8256), (2752, 7404), (3702, 5504), (4128, 4936)]