20197780299

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{23893}}^1$

素因数の和:24272

約数の個数: 32

約数和(自身を含む): 30278476800

約数和(自身を除く): 10080696501

約数列:

[1, 3, 9, 27, 131, 239, 393, 717, 1179, 2151, 3537, 6453, 23893, 31309, 71679, 93927, 215037, 281781, 645111, 845343, 3129983, 5710427, 9389949, 17131281, 28169847, 51393843, 84509541, 154181529, 748065937, 2244197811, 6732593433, 20197780299]

約数ペア:

[(1, 20197780299), (3, 6732593433), (9, 2244197811), (27, 748065937), (131, 154181529), (239, 84509541), (393, 51393843), (717, 28169847), (1179, 17131281), (2151, 9389949), (3537, 5710427), (6453, 3129983), (23893, 845343), (31309, 645111), (71679, 281781), (93927, 215037)]