20429996930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1383209}}^1$

素因数の和:1383434

約数の個数: 32

約数和(自身を含む): 42226634880

約数和(自身を除く): 21796637950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 7385, 14770, 1383209, 2766418, 6916045, 9682463, 13832090, 19364926, 48412315, 96824630, 291857099, 583714198, 1459285495, 2042999693, 2918570990, 4085999386, 10214998465, 20429996930]

約数ペア:

[(1, 20429996930), (2, 10214998465), (5, 4085999386), (7, 2918570990), (10, 2042999693), (14, 1459285495), (35, 583714198), (70, 291857099), (211, 96824630), (422, 48412315), (1055, 19364926), (1477, 13832090), (2110, 9682463), (2954, 6916045), (7385, 2766418), (14770, 1383209)]