20807764989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1\times {\mathrm{10103}}^1$

素因数の和:10705

約数の個数: 32

約数和(自身を含む): 30554496000

約数和(自身を除く): 9746731011

約数列:

[1, 3, 11, 33, 139, 417, 449, 1347, 1529, 4587, 4939, 10103, 14817, 30309, 62411, 111133, 187233, 333399, 686521, 1404317, 2059563, 4212951, 4536247, 13608741, 15447487, 46342461, 49898717, 149696151, 630538333, 1891614999, 6935921663, 20807764989]

約数ペア:

[(1, 20807764989), (3, 6935921663), (11, 1891614999), (33, 630538333), (139, 149696151), (417, 49898717), (449, 46342461), (1347, 15447487), (1529, 13608741), (4587, 4536247), (4939, 4212951), (10103, 2059563), (14817, 1404317), (30309, 686521), (62411, 333399), (111133, 187233)]