20904598

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3892

約数の個数: 32

約数和(自身を含む): 38787840

約数和(自身を除く): 17883242

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3847, 5434, 7694, 42317, 50011, 73093, 84634, 100022, 146186, 550121, 804023, 950209, 1100242, 1608046, 1900418, 10452299, 20904598]

約数ペア:

[(1, 20904598), (2, 10452299), (11, 1900418), (13, 1608046), (19, 1100242), (22, 950209), (26, 804023), (38, 550121), (143, 146186), (209, 100022), (247, 84634), (286, 73093), (418, 50011), (494, 42317), (2717, 7694), (3847, 5434)]