20455969331

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{218521}}^1$

素因数の和:218882

約数の個数: 16

約数和(自身を含む): 23998960128

約数和(自身を除く): 3542990797

約数列:

[1, 7, 43, 301, 311, 2177, 13373, 93611, 218521, 1529647, 9396403, 65774821, 67960031, 475720217, 2922281333, 20455969331]

約数ペア:

[(1, 20455969331), (7, 2922281333), (43, 475720217), (301, 67960031), (311, 65774821), (2177, 9396403), (13373, 1529647), (93611, 218521)]