20986506

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{9479}}^1$

素因数の和:9531

約数の個数: 32

約数和(自身を含む): 47779200

約数和(自身を除く): 26792694

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 738, 1107, 2214, 9479, 18958, 28437, 56874, 85311, 170622, 255933, 388639, 511866, 777278, 1165917, 2331834, 3497751, 6995502, 10493253, 20986506]

約数ペア:

[(1, 20986506), (2, 10493253), (3, 6995502), (6, 3497751), (9, 2331834), (18, 1165917), (27, 777278), (41, 511866), (54, 388639), (82, 255933), (123, 170622), (246, 85311), (369, 56874), (738, 28437), (1107, 18958), (2214, 9479)]