20828388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247957}}^1$

素因数の和:247971

約数の個数: 24

約数和(自身を含む): 55542592

約数和(自身を除く): 34714204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247957, 495914, 743871, 991828, 1487742, 1735699, 2975484, 3471398, 5207097, 6942796, 10414194, 20828388]

約数ペア:

[(1, 20828388), (2, 10414194), (3, 6942796), (4, 5207097), (6, 3471398), (7, 2975484), (12, 1735699), (14, 1487742), (21, 991828), (28, 743871), (42, 495914), (84, 247957)]