20188140784

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{914981}}^1$

素因数の和:915193

約数の個数: 40

約数和(自身を含む): 44929276128

約数和(自身を除く): 24741135344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1379, 1576, 2758, 3152, 5516, 11032, 22064, 914981, 1829962, 3659924, 6404867, 7319848, 12809734, 14639696, 25619468, 51238936, 102477872, 180251257, 360502514, 721005028, 1261758799, 1442010056, 2523517598, 2884020112, 5047035196, 10094070392, 20188140784]

約数ペア:

[(1, 20188140784), (2, 10094070392), (4, 5047035196), (7, 2884020112), (8, 2523517598), (14, 1442010056), (16, 1261758799), (28, 721005028), (56, 360502514), (112, 180251257), (197, 102477872), (394, 51238936), (788, 25619468), (1379, 14639696), (1576, 12809734), (2758, 7319848), (3152, 6404867), (5516, 3659924), (11032, 1829962), (22064, 914981)]