20580344

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 20632456

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 1907, 2698, 3814, 5396, 7628, 10792, 15256, 36233, 72466, 135397, 144932, 270794, 289864, 541588, 1083176, 2572543, 5145086, 10290172, 20580344]

約数ペア:

[(1, 20580344), (2, 10290172), (4, 5145086), (8, 2572543), (19, 1083176), (38, 541588), (71, 289864), (76, 270794), (142, 144932), (152, 135397), (284, 72466), (568, 36233), (1349, 15256), (1907, 10792), (2698, 7628), (3814, 5396)]