20850445

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 32219136

約数和(自身を除く): 11368691

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 1747, 2387, 8735, 11935, 12229, 19217, 54157, 61145, 96085, 134519, 270785, 379099, 595727, 672595, 1895495, 2978635, 4170089, 20850445]

約数ペア:

[(1, 20850445), (5, 4170089), (7, 2978635), (11, 1895495), (31, 672595), (35, 595727), (55, 379099), (77, 270785), (155, 134519), (217, 96085), (341, 61145), (385, 54157), (1085, 19217), (1705, 12229), (1747, 11935), (2387, 8735)]