20607213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 32123520

約数和(自身を除く): 11516307

約数列:

[1, 3, 11, 17, 33, 51, 109, 187, 327, 337, 561, 1011, 1199, 1853, 3597, 3707, 5559, 5729, 11121, 17187, 20383, 36733, 61149, 63019, 110199, 189057, 404063, 624461, 1212189, 1873383, 6869071, 20607213]

約数ペア:

[(1, 20607213), (3, 6869071), (11, 1873383), (17, 1212189), (33, 624461), (51, 404063), (109, 189057), (187, 110199), (327, 63019), (337, 61149), (561, 36733), (1011, 20383), (1199, 17187), (1853, 11121), (3597, 5729), (3707, 5559)]