20879236

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6599}}^1$

素因数の和:6723

約数の個数: 24

約数和(自身を含む): 42134400

約数和(自身を除く): 21255164

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6599, 13198, 26396, 46193, 92386, 184772, 745687, 1491374, 2982748, 5219809, 10439618, 20879236]

約数ペア:

[(1, 20879236), (2, 10439618), (4, 5219809), (7, 2982748), (14, 1491374), (28, 745687), (113, 184772), (226, 92386), (452, 46193), (791, 26396), (1582, 13198), (3164, 6599)]