20216351922

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{721961}}^1$

素因数の和:722338

約数の個数: 32

約数和(自身を含む): 43664261760

約数和(自身を除く): 23447909838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 359, 718, 1077, 2154, 4667, 9334, 14001, 28002, 721961, 1443922, 2165883, 4331766, 9385493, 18770986, 28156479, 56312958, 259183999, 518367998, 777551997, 1555103994, 3369391987, 6738783974, 10108175961, 20216351922]

約数ペア:

[(1, 20216351922), (2, 10108175961), (3, 6738783974), (6, 3369391987), (13, 1555103994), (26, 777551997), (39, 518367998), (78, 259183999), (359, 56312958), (718, 28156479), (1077, 18770986), (2154, 9385493), (4667, 4331766), (9334, 2165883), (14001, 1443922), (28002, 721961)]