20408900859

素因数分解:

$3^4\times {\mathrm{2383}}^1\times {\mathrm{105733}}^1$

素因数の和:108128

約数の個数: 20

約数和(自身を含む): 30500452576

約数和(自身を除く): 10091551717

約数列:

[1, 3, 9, 27, 81, 2383, 7149, 21447, 64341, 105733, 193023, 317199, 951597, 2854791, 8564373, 251961739, 755885217, 2267655651, 6802966953, 20408900859]

約数ペア:

[(1, 20408900859), (3, 6802966953), (9, 2267655651), (27, 755885217), (81, 251961739), (2383, 8564373), (7149, 2854791), (21447, 951597), (64341, 317199), (105733, 193023)]