20854341

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{3259}}^1$

素因数の和:3350

約数の個数: 20

約数和(自身を含む): 31556800

約数和(自身を除く): 10702459

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 3259, 6399, 9777, 29331, 87993, 257461, 263979, 772383, 2317149, 6951447, 20854341]

約数ペア:

[(1, 20854341), (3, 6951447), (9, 2317149), (27, 772383), (79, 263979), (81, 257461), (237, 87993), (711, 29331), (2133, 9777), (3259, 6399)]