20214968319

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1299079}}^1$

素因数の和:1299124

約数の個数: 48

約数和(自身を含む): 37829209600

約数和(自身を除く): 17614241281

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 5187, 15561, 1299079, 3897237, 9093553, 11691711, 16888027, 24682501, 27280659, 50664081, 74047503, 81841977, 118216189, 151992243, 172777507, 222142509, 320872513, 354648567, 518332521, 962617539, 1063945701, 1554997563, 2246107591, 2887852617, 6738322773, 20214968319]

約数ペア:

[(1, 20214968319), (3, 6738322773), (7, 2887852617), (9, 2246107591), (13, 1554997563), (19, 1063945701), (21, 962617539), (39, 518332521), (57, 354648567), (63, 320872513), (91, 222142509), (117, 172777507), (133, 151992243), (171, 118216189), (247, 81841977), (273, 74047503), (399, 50664081), (741, 27280659), (819, 24682501), (1197, 16888027), (1729, 11691711), (2223, 9093553), (5187, 3897237), (15561, 1299079)]