20716530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7759}}^1$

素因数の和:7858

約数の個数: 32

約数和(自身を含む): 50284800

約数和(自身を除く): 29568270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 7759, 15518, 23277, 38795, 46554, 77590, 116385, 232770, 690551, 1381102, 2071653, 3452755, 4143306, 6905510, 10358265, 20716530]

約数ペア:

[(1, 20716530), (2, 10358265), (3, 6905510), (5, 4143306), (6, 3452755), (10, 2071653), (15, 1381102), (30, 690551), (89, 232770), (178, 116385), (267, 77590), (445, 46554), (534, 38795), (890, 23277), (1335, 15518), (2670, 7759)]