20054594287

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{563}}^1\times {\mathrm{1987}}^1$

素因数の和:2767

約数の個数: 32

約数和(自身を含む): 24864440832

約数和(自身を除く): 4809846545

約数列:

[1, 7, 13, 91, 197, 563, 1379, 1987, 2561, 3941, 7319, 13909, 17927, 25831, 51233, 110911, 180817, 391439, 776377, 1118681, 1441843, 2740073, 5088707, 7830767, 10092901, 14542853, 35620949, 101799971, 220380157, 1542661099, 2864942041, 20054594287]

約数ペア:

[(1, 20054594287), (7, 2864942041), (13, 1542661099), (91, 220380157), (197, 101799971), (563, 35620949), (1379, 14542853), (1987, 10092901), (2561, 7830767), (3941, 5088707), (7319, 2740073), (13909, 1441843), (17927, 1118681), (25831, 776377), (51233, 391439), (110911, 180817)]