13459820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 31092768

約数和(自身を除く): 17632948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 317, 386, 634, 772, 965, 1268, 1585, 1930, 2123, 3170, 3487, 3860, 4246, 6340, 6974, 8492, 10615, 13948, 17435, 21230, 34870, 42460, 61181, 69740, 122362, 244724, 305905, 611810, 672991, 1223620, 1345982, 2691964, 3364955, 6729910, 13459820]

約数ペア:

[(1, 13459820), (2, 6729910), (4, 3364955), (5, 2691964), (10, 1345982), (11, 1223620), (20, 672991), (22, 611810), (44, 305905), (55, 244724), (110, 122362), (193, 69740), (220, 61181), (317, 42460), (386, 34870), (634, 21230), (772, 17435), (965, 13948), (1268, 10615), (1585, 8492), (1930, 6974), (2123, 6340), (3170, 4246), (3487, 3860)]