20804826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1307}}^1$

素因数の和:1698

約数の個数: 32

約数和(自身を含む): 47715840

約数和(自身を除く): 26911014

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 379, 758, 1137, 1307, 2274, 2614, 2653, 3921, 5306, 7842, 7959, 9149, 15918, 18298, 27447, 54894, 495353, 990706, 1486059, 2972118, 3467471, 6934942, 10402413, 20804826]

約数ペア:

[(1, 20804826), (2, 10402413), (3, 6934942), (6, 3467471), (7, 2972118), (14, 1486059), (21, 990706), (42, 495353), (379, 54894), (758, 27447), (1137, 18298), (1307, 15918), (2274, 9149), (2614, 7959), (2653, 7842), (3921, 5306)]