20160704061

素因数分解:

$3^4\times {\mathrm{229}}^1\times {\mathrm{547}}^1\times {\mathrm{1987}}^1$

素因数の和:2775

約数の個数: 40

約数和(自身を含む): 30318669920

約数和(自身を除く): 10157965859

約数列:

[1, 3, 9, 27, 81, 229, 547, 687, 1641, 1987, 2061, 4923, 5961, 6183, 14769, 17883, 18549, 44307, 53649, 125263, 160947, 375789, 455023, 1086889, 1127367, 1365069, 3260667, 3382101, 4095207, 9782001, 10146303, 12285621, 29346003, 36856863, 88038009, 248897581, 746692743, 2240078229, 6720234687, 20160704061]

約数ペア:

[(1, 20160704061), (3, 6720234687), (9, 2240078229), (27, 746692743), (81, 248897581), (229, 88038009), (547, 36856863), (687, 29346003), (1641, 12285621), (1987, 10146303), (2061, 9782001), (4923, 4095207), (5961, 3382101), (6183, 3260667), (14769, 1365069), (17883, 1127367), (18549, 1086889), (44307, 455023), (53649, 375789), (125263, 160947)]