1971662020

素因数分解:

$2^2\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{33889}}^1$

素因数の和:36807

約数の個数: 24

約数和(自身を含む): 4142035800

約数和(自身を除く): 2170373780

約数列:

[1, 2, 4, 5, 10, 20, 2909, 5818, 11636, 14545, 29090, 33889, 58180, 67778, 135556, 169445, 338890, 677780, 98583101, 197166202, 394332404, 492915505, 985831010, 1971662020]

約数ペア:

[(1, 1971662020), (2, 985831010), (4, 492915505), (5, 394332404), (10, 197166202), (20, 98583101), (2909, 677780), (5818, 338890), (11636, 169445), (14545, 135556), (29090, 67778), (33889, 58180)]