20971874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3167}}^1$

素因数の和:3230

約数の個数: 32

約数和(自身を含む): 40144896

約数和(自身を除く): 19173022

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 3167, 3311, 6334, 6622, 22169, 34837, 44338, 69674, 136181, 243859, 272362, 487718, 953267, 1497991, 1906534, 2995982, 10485937, 20971874]

約数ペア:

[(1, 20971874), (2, 10485937), (7, 2995982), (11, 1906534), (14, 1497991), (22, 953267), (43, 487718), (77, 272362), (86, 243859), (154, 136181), (301, 69674), (473, 44338), (602, 34837), (946, 22169), (3167, 6622), (3311, 6334)]