20147894097471

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{983}}^1\times {\mathrm{1396303}}^1$

素因数の和:1397532

約数の個数: 48

約数和(自身を含む): 33436766877696

約数和(自身を除く): 13288872780225

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 983, 1631, 2097, 2949, 4893, 6881, 8847, 14679, 20643, 61929, 229039, 687117, 1396303, 1603273, 2061351, 4188909, 4809819, 9774121, 12566727, 14429457, 29322363, 87967089, 325338599, 976015797, 1372565849, 2277370193, 2928047391, 4117697547, 6832110579, 9607960943, 12353092641, 20496331737, 28823882829, 86471648487, 319807842817, 959423528451, 2238654899719, 2878270585353, 6715964699157, 20147894097471]

約数ペア:

[(1, 20147894097471), (3, 6715964699157), (7, 2878270585353), (9, 2238654899719), (21, 959423528451), (63, 319807842817), (233, 86471648487), (699, 28823882829), (983, 20496331737), (1631, 12353092641), (2097, 9607960943), (2949, 6832110579), (4893, 4117697547), (6881, 2928047391), (8847, 2277370193), (14679, 1372565849), (20643, 976015797), (61929, 325338599), (229039, 87967089), (687117, 29322363), (1396303, 14429457), (1603273, 12566727), (2061351, 9774121), (4188909, 4809819)]