20348726643

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{21523}}^1$

素因数の和:21928

約数の個数: 48

約数和(自身を含む): 34472838400

約数和(自身を除く): 14124111757

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 349, 387, 903, 1047, 2443, 2709, 3141, 7329, 15007, 21523, 21987, 45021, 64569, 105049, 135063, 150661, 193707, 315147, 451983, 925489, 945441, 1355949, 2776467, 6478423, 7511527, 8329401, 19435269, 22534581, 52580689, 58305807, 67603743, 157742067, 322995661, 473226201, 968986983, 2260969627, 2906960949, 6782908881, 20348726643]

約数ペア:

[(1, 20348726643), (3, 6782908881), (7, 2906960949), (9, 2260969627), (21, 968986983), (43, 473226201), (63, 322995661), (129, 157742067), (301, 67603743), (349, 58305807), (387, 52580689), (903, 22534581), (1047, 19435269), (2443, 8329401), (2709, 7511527), (3141, 6478423), (7329, 2776467), (15007, 1355949), (21523, 945441), (21987, 925489), (45021, 451983), (64569, 315147), (105049, 193707), (135063, 150661)]