20687268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246277}}^1$

素因数の和:246291

約数の個数: 24

約数和(自身を含む): 55166272

約数和(自身を除く): 34479004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246277, 492554, 738831, 985108, 1477662, 1723939, 2955324, 3447878, 5171817, 6895756, 10343634, 20687268]

約数ペア:

[(1, 20687268), (2, 10343634), (3, 6895756), (4, 5171817), (6, 3447878), (7, 2955324), (12, 1723939), (14, 1477662), (21, 985108), (28, 738831), (42, 492554), (84, 246277)]