20940672

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2411

約数の個数: 64

約数和(自身を含む): 58066560

約数和(自身を除く): 37125888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2208, 2371, 2944, 4416, 4742, 7113, 8832, 9484, 14226, 18968, 28452, 37936, 54533, 56904, 75872, 109066, 113808, 151744, 163599, 218132, 227616, 303488, 327198, 436264, 455232, 654396, 872528, 910464, 1308792, 1745056, 2617584, 3490112, 5235168, 6980224, 10470336, 20940672]

約数ペア:

[(1, 20940672), (2, 10470336), (3, 6980224), (4, 5235168), (6, 3490112), (8, 2617584), (12, 1745056), (16, 1308792), (23, 910464), (24, 872528), (32, 654396), (46, 455232), (48, 436264), (64, 327198), (69, 303488), (92, 227616), (96, 218132), (128, 163599), (138, 151744), (184, 113808), (192, 109066), (276, 75872), (368, 56904), (384, 54533), (552, 37936), (736, 28452), (1104, 18968), (1472, 14226), (2208, 9484), (2371, 8832), (2944, 7113), (4416, 4742)]