20746672

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12589}}^1$

素因数の和:12700

約数の個数: 20

約数和(自身を含む): 40590160

約数和(自身を除く): 19843488

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12589, 25178, 50356, 100712, 201424, 1296667, 2593334, 5186668, 10373336, 20746672]

約数ペア:

[(1, 20746672), (2, 10373336), (4, 5186668), (8, 2593334), (16, 1296667), (103, 201424), (206, 100712), (412, 50356), (824, 25178), (1648, 12589)]