20161312

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4013}}^1$

素因数の和:4180

約数の個数: 24

約数和(自身を含む): 39955356

約数和(自身を除く): 19794044

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4013, 5024, 8026, 16052, 32104, 64208, 128416, 630041, 1260082, 2520164, 5040328, 10080656, 20161312]

約数ペア:

[(1, 20161312), (2, 10080656), (4, 5040328), (8, 2520164), (16, 1260082), (32, 630041), (157, 128416), (314, 64208), (628, 32104), (1256, 16052), (2512, 8026), (4013, 5024)]