20494071

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1607}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 32192160

約数和(自身を除く): 11698089

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 1607, 4251, 4821, 12753, 14463, 20891, 62673, 175163, 188019, 525489, 1576467, 2277119, 6831357, 20494071]

約数ペア:

[(1, 20494071), (3, 6831357), (9, 2277119), (13, 1576467), (39, 525489), (109, 188019), (117, 175163), (327, 62673), (981, 20891), (1417, 14463), (1607, 12753), (4251, 4821)]