20514470

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4673}}^1$

素因数の和:5119

約数の個数: 16

約数和(自身を含む): 37018080

約数和(自身を除く): 16503610

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 4673, 9346, 23365, 46730, 2051447, 4102894, 10257235, 20514470]

約数ペア:

[(1, 20514470), (2, 10257235), (5, 4102894), (10, 2051447), (439, 46730), (878, 23365), (2195, 9346), (4390, 4673)]