20757306

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1867}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 44383680

約数和(自身を除く): 23626374

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 109, 218, 327, 654, 1853, 1867, 3706, 3734, 5559, 5601, 11118, 11202, 31739, 63478, 95217, 190434, 203503, 407006, 610509, 1221018, 3459551, 6919102, 10378653, 20757306]

約数ペア:

[(1, 20757306), (2, 10378653), (3, 6919102), (6, 3459551), (17, 1221018), (34, 610509), (51, 407006), (102, 203503), (109, 190434), (218, 95217), (327, 63478), (654, 31739), (1853, 11202), (1867, 11118), (3706, 5601), (3734, 5559)]