20789027994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1175717}}^1$

素因数の和:1176150

約数の個数: 32

約数和(自身を含む): 47630687616

約数和(自身を除く): 26841659622

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 421, 842, 1263, 2526, 2947, 5894, 8841, 17682, 1175717, 2351434, 3527151, 7054302, 8230019, 16460038, 24690057, 49380114, 494976857, 989953714, 1484930571, 2969861142, 3464837999, 6929675998, 10394513997, 20789027994]

約数ペア:

[(1, 20789027994), (2, 10394513997), (3, 6929675998), (6, 3464837999), (7, 2969861142), (14, 1484930571), (21, 989953714), (42, 494976857), (421, 49380114), (842, 24690057), (1263, 16460038), (2526, 8230019), (2947, 7054302), (5894, 3527151), (8841, 2351434), (17682, 1175717)]