20806053

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 30523392

約数和(自身を除く): 9717339

約数列:

[1, 3, 23, 31, 69, 71, 93, 137, 213, 411, 713, 1633, 2139, 2201, 3151, 4247, 4899, 6603, 9453, 9727, 12741, 29181, 50623, 97681, 151869, 223721, 293043, 301537, 671163, 904611, 6935351, 20806053]

約数ペア:

[(1, 20806053), (3, 6935351), (23, 904611), (31, 671163), (69, 301537), (71, 293043), (93, 223721), (137, 151869), (213, 97681), (411, 50623), (713, 29181), (1633, 12741), (2139, 9727), (2201, 9453), (3151, 6603), (4247, 4899)]