20216260

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5647}}^1$

素因数の和:5835

約数の個数: 24

約数和(自身を含む): 42698880

約数和(自身を除く): 22482620

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5647, 11294, 22588, 28235, 56470, 112940, 1010813, 2021626, 4043252, 5054065, 10108130, 20216260]

約数ペア:

[(1, 20216260), (2, 10108130), (4, 5054065), (5, 4043252), (10, 2021626), (20, 1010813), (179, 112940), (358, 56470), (716, 28235), (895, 22588), (1790, 11294), (3580, 5647)]