20517246

素因数分解:

$2^1\times 3^3\times {\mathrm{97}}^1\times {\mathrm{3917}}^1$

素因数の和:4025

約数の個数: 32

約数和(自身を含む): 46075680

約数和(自身を除く): 25558434

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 97, 194, 291, 582, 873, 1746, 2619, 3917, 5238, 7834, 11751, 23502, 35253, 70506, 105759, 211518, 379949, 759898, 1139847, 2279694, 3419541, 6839082, 10258623, 20517246]

約数ペア:

[(1, 20517246), (2, 10258623), (3, 6839082), (6, 3419541), (9, 2279694), (18, 1139847), (27, 759898), (54, 379949), (97, 211518), (194, 105759), (291, 70506), (582, 35253), (873, 23502), (1746, 11751), (2619, 7834), (3917, 5238)]