20708256

素因数分解:

$2^5\times 3^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2101

約数の個数: 48

約数和(自身を含む): 54885600

約数和(自身を除く): 34177344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 109, 218, 327, 436, 654, 872, 1308, 1744, 1979, 2616, 3488, 3958, 5232, 5937, 7916, 10464, 11874, 15832, 23748, 31664, 47496, 63328, 94992, 189984, 215711, 431422, 647133, 862844, 1294266, 1725688, 2588532, 3451376, 5177064, 6902752, 10354128, 20708256]

約数ペア:

[(1, 20708256), (2, 10354128), (3, 6902752), (4, 5177064), (6, 3451376), (8, 2588532), (12, 1725688), (16, 1294266), (24, 862844), (32, 647133), (48, 431422), (96, 215711), (109, 189984), (218, 94992), (327, 63328), (436, 47496), (654, 31664), (872, 23748), (1308, 15832), (1744, 11874), (1979, 10464), (2616, 7916), (3488, 5937), (3958, 5232)]