20787710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2957}}^1$

素因数の和:3020

約数の個数: 32

約数和(自身を含む): 40465440

約数和(自身を除く): 19677730

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2957, 3515, 5914, 7030, 14785, 29570, 56183, 109409, 112366, 218818, 280915, 547045, 561830, 1094090, 2078771, 4157542, 10393855, 20787710]

約数ペア:

[(1, 20787710), (2, 10393855), (5, 4157542), (10, 2078771), (19, 1094090), (37, 561830), (38, 547045), (74, 280915), (95, 218818), (185, 112366), (190, 109409), (370, 56183), (703, 29570), (1406, 14785), (2957, 7030), (3515, 5914)]