20691110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1373}}^1$

素因数の和:1528

約数の個数: 32

約数和(自身を含む): 40956192

約数和(自身を除く): 20265082

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 274, 685, 1370, 1373, 1507, 2746, 3014, 6865, 7535, 13730, 15070, 15103, 30206, 75515, 151030, 188101, 376202, 940505, 1881010, 2069111, 4138222, 10345555, 20691110]

約数ペア:

[(1, 20691110), (2, 10345555), (5, 4138222), (10, 2069111), (11, 1881010), (22, 940505), (55, 376202), (110, 188101), (137, 151030), (274, 75515), (685, 30206), (1370, 15103), (1373, 15070), (1507, 13730), (2746, 7535), (3014, 6865)]