20989826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 16507774

約数列:

[1, 2, 11, 13, 22, 26, 79, 143, 158, 286, 869, 929, 1027, 1738, 1858, 2054, 10219, 11297, 12077, 20438, 22594, 24154, 73391, 132847, 146782, 265694, 807301, 954083, 1614602, 1908166, 10494913, 20989826]

約数ペア:

[(1, 20989826), (2, 10494913), (11, 1908166), (13, 1614602), (22, 954083), (26, 807301), (79, 265694), (143, 146782), (158, 132847), (286, 73391), (869, 24154), (929, 22594), (1027, 20438), (1738, 12077), (1858, 11297), (2054, 10219)]