20054518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 34276608

約数和(自身を除く): 14222090

約数列:

[1, 2, 11, 22, 37, 71, 74, 142, 347, 407, 694, 781, 814, 1562, 2627, 3817, 5254, 7634, 12839, 24637, 25678, 28897, 49274, 57794, 141229, 271007, 282458, 542014, 911569, 1823138, 10027259, 20054518]

約数ペア:

[(1, 20054518), (2, 10027259), (11, 1823138), (22, 911569), (37, 542014), (71, 282458), (74, 271007), (142, 141229), (347, 57794), (407, 49274), (694, 28897), (781, 25678), (814, 24637), (1562, 12839), (2627, 7634), (3817, 5254)]