20805216355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2287}}^1\times {\mathrm{23629}}^1$

素因数の和:25939

約数の個数: 32

約数和(自身を含む): 31141693440

約数和(自身を除く): 10336477085

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 2287, 11435, 16009, 23629, 25157, 80045, 118145, 125785, 165403, 176099, 259919, 827015, 880495, 1299595, 1819433, 9097165, 54039523, 270197615, 378276661, 594434753, 1891383305, 2972173765, 4161043271, 20805216355]

約数ペア:

[(1, 20805216355), (5, 4161043271), (7, 2972173765), (11, 1891383305), (35, 594434753), (55, 378276661), (77, 270197615), (385, 54039523), (2287, 9097165), (11435, 1819433), (16009, 1299595), (23629, 880495), (25157, 827015), (80045, 259919), (118145, 176099), (125785, 165403)]