20954770

素因数分解:

$2^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{3209}}^1$

素因数の和:3869

約数の個数: 16

約数和(自身を含む): 37788120

約数和(自身を除く): 16833350

約数列:

[1, 2, 5, 10, 653, 1306, 3209, 3265, 6418, 6530, 16045, 32090, 2095477, 4190954, 10477385, 20954770]

約数ペア:

[(1, 20954770), (2, 10477385), (5, 4190954), (10, 2095477), (653, 32090), (1306, 16045), (3209, 6530), (3265, 6418)]