17620816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{26861}}^1$

素因数の和:26910

約数の個数: 20

約数和(自身を含む): 34974324

約数和(自身を除く): 17353508

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 26861, 53722, 107444, 214888, 429776, 1101301, 2202602, 4405204, 8810408, 17620816]

約数ペア:

[(1, 17620816), (2, 8810408), (4, 4405204), (8, 2202602), (16, 1101301), (41, 429776), (82, 214888), (164, 107444), (328, 53722), (656, 26861)]