20343970

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7507}}^1$

素因数の和:7785

約数の個数: 16

約数和(自身を含む): 36759168

約数和(自身を除く): 16415198

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 7507, 15014, 37535, 75070, 2034397, 4068794, 10171985, 20343970]

約数ペア:

[(1, 20343970), (2, 10171985), (5, 4068794), (10, 2034397), (271, 75070), (542, 37535), (1355, 15014), (2710, 7507)]