20695816

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63097}}^1$

素因数の和:63144

約数の個数: 16

約数和(自身を含む): 39751740

約数和(自身を除く): 19055924

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63097, 126194, 252388, 504776, 2586977, 5173954, 10347908, 20695816]

約数ペア:

[(1, 20695816), (2, 10347908), (4, 5173954), (8, 2586977), (41, 504776), (82, 252388), (164, 126194), (328, 63097)]