20700716

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1973}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 37695504

約数和(自身を除く): 16994788

約数列:

[1, 2, 4, 43, 61, 86, 122, 172, 244, 1973, 2623, 3946, 5246, 7892, 10492, 84839, 120353, 169678, 240706, 339356, 481412, 5175179, 10350358, 20700716]

約数ペア:

[(1, 20700716), (2, 10350358), (4, 5175179), (43, 481412), (61, 339356), (86, 240706), (122, 169678), (172, 120353), (244, 84839), (1973, 10492), (2623, 7892), (3946, 5246)]