20571001990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26715587}}^1$

素因数の和:26715612

約数の個数: 32

約数和(自身を含む): 46164536064

約数和(自身を除く): 25593534074

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26715587, 53431174, 133577935, 187009109, 267155870, 293871457, 374018218, 587742914, 935045545, 1469357285, 1870091090, 2057100199, 2938714570, 4114200398, 10285500995, 20571001990]

約数ペア:

[(1, 20571001990), (2, 10285500995), (5, 4114200398), (7, 2938714570), (10, 2057100199), (11, 1870091090), (14, 1469357285), (22, 935045545), (35, 587742914), (55, 374018218), (70, 293871457), (77, 267155870), (110, 187009109), (154, 133577935), (385, 53431174), (770, 26715587)]