20801374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3767}}^1$

素因数の和:4031

約数の個数: 16

約数和(自身を含む): 34183296

約数和(自身を除く): 13381922

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3767, 5522, 7534, 41437, 82874, 945517, 1891034, 10400687, 20801374]

約数ペア:

[(1, 20801374), (2, 10400687), (11, 1891034), (22, 945517), (251, 82874), (502, 41437), (2761, 7534), (3767, 5522)]