20294672

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30937}}^1$

素因数の和:30986

約数の個数: 20

約数和(自身を含む): 40281276

約数和(自身を除く): 19986604

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30937, 61874, 123748, 247496, 494992, 1268417, 2536834, 5073668, 10147336, 20294672]

約数ペア:

[(1, 20294672), (2, 10147336), (4, 5073668), (8, 2536834), (16, 1268417), (41, 494992), (82, 247496), (164, 123748), (328, 61874), (656, 30937)]