20312091

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 30270240

約数和(自身を除く): 9958149

約数列:

[1, 3, 9, 53, 97, 159, 291, 439, 477, 873, 1317, 3951, 5141, 15423, 23267, 42583, 46269, 69801, 127749, 209403, 383247, 2256899, 6770697, 20312091]

約数ペア:

[(1, 20312091), (3, 6770697), (9, 2256899), (53, 383247), (97, 209403), (159, 127749), (291, 69801), (439, 46269), (477, 42583), (873, 23267), (1317, 15423), (3951, 5141)]