20841543

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{3257}}^1$

素因数の和:3348

約数の個数: 20

約数和(自身を含む): 31537440

約数和(自身を除く): 10695897

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 3257, 6399, 9771, 29313, 87939, 257303, 263817, 771909, 2315727, 6947181, 20841543]

約数ペア:

[(1, 20841543), (3, 6947181), (9, 2315727), (27, 771909), (79, 263817), (81, 257303), (237, 87939), (711, 29313), (2133, 9771), (3257, 6399)]