20010376971

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{655283}}^1$

素因数の和:655337

約数の個数: 40

約数和(自身を含む): 33301532880

約数和(自身を除く): 13291155909

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 261, 351, 377, 783, 1053, 1131, 2349, 3393, 10179, 30537, 655283, 1965849, 5897547, 8518679, 17692641, 19003207, 25556037, 53077923, 57009621, 76668111, 171028863, 230004333, 247041691, 513086589, 690012999, 741125073, 1539259767, 2223375219, 6670125657, 20010376971]

約数ペア:

[(1, 20010376971), (3, 6670125657), (9, 2223375219), (13, 1539259767), (27, 741125073), (29, 690012999), (39, 513086589), (81, 247041691), (87, 230004333), (117, 171028863), (261, 76668111), (351, 57009621), (377, 53077923), (783, 25556037), (1053, 19003207), (1131, 17692641), (2349, 8518679), (3393, 5897547), (10179, 1965849), (30537, 655283)]