20623488

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1309

約数の個数: 64

約数和(自身を含む): 56100000

約数和(自身を除く): 35476512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 258, 344, 384, 516, 688, 1032, 1249, 1376, 2064, 2498, 2752, 3747, 4128, 4996, 5504, 7494, 8256, 9992, 14988, 16512, 19984, 29976, 39968, 53707, 59952, 79936, 107414, 119904, 159872, 161121, 214828, 239808, 322242, 429656, 479616, 644484, 859312, 1288968, 1718624, 2577936, 3437248, 5155872, 6874496, 10311744, 20623488]

約数ペア:

[(1, 20623488), (2, 10311744), (3, 6874496), (4, 5155872), (6, 3437248), (8, 2577936), (12, 1718624), (16, 1288968), (24, 859312), (32, 644484), (43, 479616), (48, 429656), (64, 322242), (86, 239808), (96, 214828), (128, 161121), (129, 159872), (172, 119904), (192, 107414), (258, 79936), (344, 59952), (384, 53707), (516, 39968), (688, 29976), (1032, 19984), (1249, 16512), (1376, 14988), (2064, 9992), (2498, 8256), (2752, 7494), (3747, 5504), (4128, 4996)]