20518536

素因数分解:

$2^3\times 3^1\times {\mathrm{311}}^1\times {\mathrm{2749}}^1$

素因数の和:3069

約数の個数: 32

約数和(自身を含む): 51480000

約数和(自身を除く): 30961464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 311, 622, 933, 1244, 1866, 2488, 2749, 3732, 5498, 7464, 8247, 10996, 16494, 21992, 32988, 65976, 854939, 1709878, 2564817, 3419756, 5129634, 6839512, 10259268, 20518536]

約数ペア:

[(1, 20518536), (2, 10259268), (3, 6839512), (4, 5129634), (6, 3419756), (8, 2564817), (12, 1709878), (24, 854939), (311, 65976), (622, 32988), (933, 21992), (1244, 16494), (1866, 10996), (2488, 8247), (2749, 7464), (3732, 5498)]