20441856

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 55760320

約数和(自身を除く): 35318464

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, 619, 688, 768, 1032, 1238, 1376, 1857, 2064, 2476, 2752, 3714, 4128, 4952, 5504, 7428, 8256, 9904, 11008, 14856, 16512, 19808, 26617, 29712, 33024, 39616, 53234, 59424, 79232, 79851, 106468, 118848, 158464, 159702, 212936, 237696, 319404, 425872, 475392, 638808, 851744, 1277616, 1703488, 2555232, 3406976, 5110464, 6813952, 10220928, 20441856]

約数ペア:

[(1, 20441856), (2, 10220928), (3, 6813952), (4, 5110464), (6, 3406976), (8, 2555232), (12, 1703488), (16, 1277616), (24, 851744), (32, 638808), (43, 475392), (48, 425872), (64, 319404), (86, 237696), (96, 212936), (128, 159702), (129, 158464), (172, 118848), (192, 106468), (256, 79851), (258, 79232), (344, 59424), (384, 53234), (516, 39616), (619, 33024), (688, 29712), (768, 26617), (1032, 19808), (1238, 16512), (1376, 14856), (1857, 11008), (2064, 9904), (2476, 8256), (2752, 7428), (3714, 5504), (4128, 4952)]