20503688

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{10211}}^1$

素因数の和:10468

約数の個数: 16

約数和(自身を含む): 38601360

約数和(自身を除く): 18097672

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 10211, 20422, 40844, 81688, 2562961, 5125922, 10251844, 20503688]

約数ペア:

[(1, 20503688), (2, 10251844), (4, 5125922), (8, 2562961), (251, 81688), (502, 40844), (1004, 20422), (2008, 10211)]