20217181264

素因数分解:

$2^4\times 7^2\times {\mathrm{547}}^1\times {\mathrm{47143}}^1$

素因数の和:47712

約数の個数: 60

約数和(自身を含む): 45650289504

約数和(自身を除く): 25433108240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 547, 784, 1094, 2188, 3829, 4376, 7658, 8752, 15316, 26803, 30632, 47143, 53606, 61264, 94286, 107212, 188572, 214424, 330001, 377144, 428848, 660002, 754288, 1320004, 2310007, 2640008, 4620014, 5280016, 9240028, 18480056, 25787221, 36960112, 51574442, 103148884, 180510547, 206297768, 361021094, 412595536, 722042188, 1263573829, 1444084376, 2527147658, 2888168752, 5054295316, 10108590632, 20217181264]

約数ペア:

[(1, 20217181264), (2, 10108590632), (4, 5054295316), (7, 2888168752), (8, 2527147658), (14, 1444084376), (16, 1263573829), (28, 722042188), (49, 412595536), (56, 361021094), (98, 206297768), (112, 180510547), (196, 103148884), (392, 51574442), (547, 36960112), (784, 25787221), (1094, 18480056), (2188, 9240028), (3829, 5280016), (4376, 4620014), (7658, 2640008), (8752, 2310007), (15316, 1320004), (26803, 754288), (30632, 660002), (47143, 428848), (53606, 377144), (61264, 330001), (94286, 214424), (107212, 188572)]