20841704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{200401}}^1$

素因数の和:200420

約数の個数: 16

約数和(自身を含む): 42084420

約数和(自身を除く): 21242716

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 200401, 400802, 801604, 1603208, 2605213, 5210426, 10420852, 20841704]

約数ペア:

[(1, 20841704), (2, 10420852), (4, 5210426), (8, 2605213), (13, 1603208), (26, 801604), (52, 400802), (104, 200401)]