15920260

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{4447}}^1$

素因数の和:4635

約数の個数: 24

約数和(自身を含む): 33626880

約数和(自身を除く): 17706620

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 4447, 8894, 17788, 22235, 44470, 88940, 796013, 1592026, 3184052, 3980065, 7960130, 15920260]

約数ペア:

[(1, 15920260), (2, 7960130), (4, 3980065), (5, 3184052), (10, 1592026), (20, 796013), (179, 88940), (358, 44470), (716, 22235), (895, 17788), (1790, 8894), (3580, 4447)]