20676836

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{241}}^2$

素因数の和:575

約数の個数: 18

約数和(自身を含む): 36743490

約数和(自身を除く): 16066654

約数列:

[1, 2, 4, 89, 178, 241, 356, 482, 964, 21449, 42898, 58081, 85796, 116162, 232324, 5169209, 10338418, 20676836]

約数ペア:

[(1, 20676836), (2, 10338418), (4, 5169209), (89, 232324), (178, 116162), (241, 85796), (356, 58081), (482, 42898), (964, 21449)]