20344218156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1025621}}^1$

素因数の和:1025679

約数の個数: 72

約数和(自身を含む): 55998961200

約数和(自身を除く): 35654743044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1653, 2204, 3306, 4959, 6612, 9918, 19836, 1025621, 2051242, 3076863, 4102484, 6153726, 9230589, 12307452, 18461178, 19486799, 29743009, 36922356, 38973598, 58460397, 59486018, 77947196, 89229027, 116920794, 118972036, 175381191, 178458054, 233841588, 267687081, 350762382, 356916108, 535374162, 565117171, 701524764, 1070748324, 1130234342, 1695351513, 2260468684, 3390703026, 5086054539, 6781406052, 10172109078, 20344218156]

約数ペア:

[(1, 20344218156), (2, 10172109078), (3, 6781406052), (4, 5086054539), (6, 3390703026), (9, 2260468684), (12, 1695351513), (18, 1130234342), (19, 1070748324), (29, 701524764), (36, 565117171), (38, 535374162), (57, 356916108), (58, 350762382), (76, 267687081), (87, 233841588), (114, 178458054), (116, 175381191), (171, 118972036), (174, 116920794), (228, 89229027), (261, 77947196), (342, 59486018), (348, 58460397), (522, 38973598), (551, 36922356), (684, 29743009), (1044, 19486799), (1102, 18461178), (1653, 12307452), (2204, 9230589), (3306, 6153726), (4959, 4102484), (6612, 3076863), (9918, 2051242), (19836, 1025621)]