20196642788

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1\times {\mathrm{21893}}^1$

素因数の和:22652

約数の個数: 48

約数和(自身を含む): 41313452544

約数和(自身を除く): 21116809756

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 701, 1316, 1402, 2804, 4907, 9814, 19628, 21893, 32947, 43786, 65894, 87572, 131788, 153251, 230629, 306502, 461258, 613004, 922516, 1028971, 2057942, 4115884, 7202797, 14405594, 15346993, 28811188, 30693986, 61387972, 107428951, 214857902, 429715804, 721308671, 1442617342, 2885234684, 5049160697, 10098321394, 20196642788]

約数ペア:

[(1, 20196642788), (2, 10098321394), (4, 5049160697), (7, 2885234684), (14, 1442617342), (28, 721308671), (47, 429715804), (94, 214857902), (188, 107428951), (329, 61387972), (658, 30693986), (701, 28811188), (1316, 15346993), (1402, 14405594), (2804, 7202797), (4907, 4115884), (9814, 2057942), (19628, 1028971), (21893, 922516), (32947, 613004), (43786, 461258), (65894, 306502), (87572, 230629), (131788, 153251)]