20006161

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 25574400

約数和(自身を除く): 5568239

約数列:

[1, 7, 17, 47, 49, 73, 119, 329, 343, 511, 799, 833, 1241, 2303, 3431, 3577, 5593, 5831, 8687, 16121, 24017, 25039, 39151, 58327, 60809, 168119, 274057, 408289, 425663, 1176833, 2858023, 20006161]

約数ペア:

[(1, 20006161), (7, 2858023), (17, 1176833), (47, 425663), (49, 408289), (73, 274057), (119, 168119), (329, 60809), (343, 58327), (511, 39151), (799, 25039), (833, 24017), (1241, 16121), (2303, 8687), (3431, 5831), (3577, 5593)]