20825289

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 12438711

約数列:

[1, 3, 9, 17, 27, 51, 59, 153, 177, 459, 531, 769, 1003, 1593, 2307, 3009, 6921, 9027, 13073, 20763, 27081, 39219, 45371, 117657, 136113, 352971, 408339, 771307, 1225017, 2313921, 6941763, 20825289]

約数ペア:

[(1, 20825289), (3, 6941763), (9, 2313921), (17, 1225017), (27, 771307), (51, 408339), (59, 352971), (153, 136113), (177, 117657), (459, 45371), (531, 39219), (769, 27081), (1003, 20763), (1593, 13073), (2307, 9027), (3009, 6921)]