20985378

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{883}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 44680896

約数和(自身を除く): 23695518

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 233, 466, 699, 883, 1398, 1766, 2649, 3961, 5298, 7922, 11883, 15011, 23766, 30022, 45033, 90066, 205739, 411478, 617217, 1234434, 3497563, 6995126, 10492689, 20985378]

約数ペア:

[(1, 20985378), (2, 10492689), (3, 6995126), (6, 3497563), (17, 1234434), (34, 617217), (51, 411478), (102, 205739), (233, 90066), (466, 45033), (699, 30022), (883, 23766), (1398, 15011), (1766, 11883), (2649, 7922), (3961, 5298)]