20917683

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{1459}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 31886400

約数和(自身を除く): 10968717

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 531, 1459, 1593, 4377, 4779, 13131, 14337, 39393, 86081, 118179, 258243, 354537, 774729, 2324187, 6972561, 20917683]

約数ペア:

[(1, 20917683), (3, 6972561), (9, 2324187), (27, 774729), (59, 354537), (81, 258243), (177, 118179), (243, 86081), (531, 39393), (1459, 14337), (1593, 13131), (4377, 4779)]