20646276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245789}}^1$

素因数の和:245803

約数の個数: 24

約数和(自身を含む): 55056960

約数和(自身を除く): 34410684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245789, 491578, 737367, 983156, 1474734, 1720523, 2949468, 3441046, 5161569, 6882092, 10323138, 20646276]

約数ペア:

[(1, 20646276), (2, 10323138), (3, 6882092), (4, 5161569), (6, 3441046), (7, 2949468), (12, 1720523), (14, 1474734), (21, 983156), (28, 737367), (42, 491578), (84, 245789)]