20147435

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 10721557

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1217, 1505, 2365, 3311, 6085, 8519, 13387, 16555, 42595, 52331, 66935, 93709, 261655, 366317, 468545, 575641, 1831585, 2878205, 4029487, 20147435]

約数ペア:

[(1, 20147435), (5, 4029487), (7, 2878205), (11, 1831585), (35, 575641), (43, 468545), (55, 366317), (77, 261655), (215, 93709), (301, 66935), (385, 52331), (473, 42595), (1217, 16555), (1505, 13387), (2365, 8519), (3311, 6085)]