20966638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12377}}^1$

素因数の和:12408

約数の個数: 24

約数和(自身を含む): 39510576

約数和(自身を除く): 18543938

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12377, 24754, 86639, 136147, 173278, 272294, 953029, 1497617, 1906058, 2995234, 10483319, 20966638]

約数ペア:

[(1, 20966638), (2, 10483319), (7, 2995234), (11, 1906058), (14, 1497617), (22, 953029), (77, 272294), (121, 173278), (154, 136147), (242, 86639), (847, 24754), (1694, 12377)]