20434995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2237}}^1$

素因数の和:2284

約数の個数: 48

約数和(自身を含む): 41895360

約数和(自身を除く): 21460365

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 2237, 3045, 6711, 9135, 11185, 15659, 20133, 33555, 46977, 64873, 78295, 100665, 140931, 194619, 234885, 324365, 454111, 583857, 704655, 973095, 1362333, 2270555, 2919285, 4086999, 6811665, 20434995]

約数ペア:

[(1, 20434995), (3, 6811665), (5, 4086999), (7, 2919285), (9, 2270555), (15, 1362333), (21, 973095), (29, 704655), (35, 583857), (45, 454111), (63, 324365), (87, 234885), (105, 194619), (145, 140931), (203, 100665), (261, 78295), (315, 64873), (435, 46977), (609, 33555), (1015, 20133), (1305, 15659), (1827, 11185), (2237, 9135), (3045, 6711)]