20791998

素因数分解:

$2^1\times 3^3\times {\mathrm{83}}^1\times {\mathrm{4639}}^1$

素因数の和:4733

約数の個数: 32

約数和(自身を含む): 46771200

約数和(自身を除く): 25979202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 83, 166, 249, 498, 747, 1494, 2241, 4482, 4639, 9278, 13917, 27834, 41751, 83502, 125253, 250506, 385037, 770074, 1155111, 2310222, 3465333, 6930666, 10395999, 20791998]

約数ペア:

[(1, 20791998), (2, 10395999), (3, 6930666), (6, 3465333), (9, 2310222), (18, 1155111), (27, 770074), (54, 385037), (83, 250506), (166, 125253), (249, 83502), (498, 41751), (747, 27834), (1494, 13917), (2241, 9278), (4482, 4639)]