20075960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7069}}^1$

素因数の和:7151

約数の個数: 32

約数和(自身を含む): 45813600

約数和(自身を除く): 25737640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7069, 14138, 28276, 35345, 56552, 70690, 141380, 282760, 501899, 1003798, 2007596, 2509495, 4015192, 5018990, 10037980, 20075960]

約数ペア:

[(1, 20075960), (2, 10037980), (4, 5018990), (5, 4015192), (8, 2509495), (10, 2007596), (20, 1003798), (40, 501899), (71, 282760), (142, 141380), (284, 70690), (355, 56552), (568, 35345), (710, 28276), (1420, 14138), (2840, 7069)]