20818242

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{9403}}^1$

素因数の和:9455

約数の個数: 32

約数和(自身を含む): 47396160

約数和(自身を除く): 26577918

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 738, 1107, 2214, 9403, 18806, 28209, 56418, 84627, 169254, 253881, 385523, 507762, 771046, 1156569, 2313138, 3469707, 6939414, 10409121, 20818242]

約数ペア:

[(1, 20818242), (2, 10409121), (3, 6939414), (6, 3469707), (9, 2313138), (18, 1156569), (27, 771046), (41, 507762), (54, 385523), (82, 253881), (123, 169254), (246, 84627), (369, 56418), (738, 28209), (1107, 18806), (2214, 9403)]