20177687781

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{462547}}^1$

素因数の和:462721

約数の個数: 24

約数和(自身を含む): 30161829984

約数和(自身を除く): 9984142203

約数列:

[1, 3, 9, 37, 111, 131, 333, 393, 1179, 4847, 14541, 43623, 462547, 1387641, 4162923, 17114239, 51342717, 60593657, 154028151, 181780971, 545342913, 2241965309, 6725895927, 20177687781]

約数ペア:

[(1, 20177687781), (3, 6725895927), (9, 2241965309), (37, 545342913), (111, 181780971), (131, 154028151), (333, 60593657), (393, 51342717), (1179, 17114239), (4847, 4162923), (14541, 1387641), (43623, 462547)]