20510084

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2213}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 41162688

約数和(自身を除く): 20652604

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2213, 2317, 4426, 4634, 8852, 9268, 15491, 30982, 61964, 732503, 1465006, 2930012, 5127521, 10255042, 20510084]

約数ペア:

[(1, 20510084), (2, 10255042), (4, 5127521), (7, 2930012), (14, 1465006), (28, 732503), (331, 61964), (662, 30982), (1324, 15491), (2213, 9268), (2317, 8852), (4426, 4634)]