20075290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2089}}^1$

素因数の和:2158

約数の個数: 24

約数和(自身を含む): 37356660

約数和(自身を除く): 17281370

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 2089, 4178, 4805, 9610, 10445, 20890, 64759, 129518, 323795, 647590, 2007529, 4015058, 10037645, 20075290]

約数ペア:

[(1, 20075290), (2, 10037645), (5, 4015058), (10, 2007529), (31, 647590), (62, 323795), (155, 129518), (310, 64759), (961, 20890), (1922, 10445), (2089, 9610), (4178, 4805)]