20154916

素因数分解:

$2^2\times {\mathrm{47}}^2\times {\mathrm{2281}}^1$

素因数の和:2379

約数の個数: 18

約数和(自身を含む): 36053318

約数和(自身を除く): 15898402

約数列:

[1, 2, 4, 47, 94, 188, 2209, 2281, 4418, 4562, 8836, 9124, 107207, 214414, 428828, 5038729, 10077458, 20154916]

約数ペア:

[(1, 20154916), (2, 10077458), (4, 5038729), (47, 428828), (94, 214414), (188, 107207), (2209, 9124), (2281, 8836), (4418, 4562)]