20971786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14486774

約数列:

[1, 2, 11, 22, 59, 107, 118, 151, 214, 302, 649, 1177, 1298, 1661, 2354, 3322, 6313, 8909, 12626, 16157, 17818, 32314, 69443, 97999, 138886, 177727, 195998, 355454, 953263, 1906526, 10485893, 20971786]

約数ペア:

[(1, 20971786), (2, 10485893), (11, 1906526), (22, 953263), (59, 355454), (107, 195998), (118, 177727), (151, 138886), (214, 97999), (302, 69443), (649, 32314), (1177, 17818), (1298, 16157), (1661, 12626), (2354, 8909), (3322, 6313)]