20795897997

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1\times {\mathrm{4733}}^1$

素因数の和:5562

約数の個数: 48

約数和(自身を含む): 34739228160

約数和(自身を除く): 13943330163

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 719, 873, 2037, 2157, 4733, 5033, 6111, 6471, 14199, 15099, 33131, 42597, 45297, 69743, 99393, 209229, 298179, 459101, 488201, 627687, 1377303, 1464603, 3213707, 3403027, 4131909, 4393809, 9641121, 10209081, 23821189, 28923363, 30627243, 71463567, 214390701, 330093619, 990280857, 2310655333, 2970842571, 6931965999, 20795897997]

約数ペア:

[(1, 20795897997), (3, 6931965999), (7, 2970842571), (9, 2310655333), (21, 990280857), (63, 330093619), (97, 214390701), (291, 71463567), (679, 30627243), (719, 28923363), (873, 23821189), (2037, 10209081), (2157, 9641121), (4733, 4393809), (5033, 4131909), (6111, 3403027), (6471, 3213707), (14199, 1464603), (15099, 1377303), (33131, 627687), (42597, 488201), (45297, 459101), (69743, 298179), (99393, 209229)]