20109097480

素因数分解:

$2^3\times 5^1\times {\mathrm{6883}}^1\times {\mathrm{73039}}^1$

素因数の和:79933

約数の個数: 32

約数和(自身を含む): 45252662400

約数和(自身を除く): 25143564920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6883, 13766, 27532, 34415, 55064, 68830, 73039, 137660, 146078, 275320, 292156, 365195, 584312, 730390, 1460780, 2921560, 502727437, 1005454874, 2010909748, 2513637185, 4021819496, 5027274370, 10054548740, 20109097480]

約数ペア:

[(1, 20109097480), (2, 10054548740), (4, 5027274370), (5, 4021819496), (8, 2513637185), (10, 2010909748), (20, 1005454874), (40, 502727437), (6883, 2921560), (13766, 1460780), (27532, 730390), (34415, 584312), (55064, 365195), (68830, 292156), (73039, 275320), (137660, 146078)]