20580417

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15991}}^1$

素因数の和:16021

約数の個数: 24

約数和(自身を含む): 34926528

約数和(自身を除く): 14346111

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15991, 47973, 143919, 175901, 207883, 527703, 623649, 1583109, 1870947, 2286713, 6860139, 20580417]

約数ペア:

[(1, 20580417), (3, 6860139), (9, 2286713), (11, 1870947), (13, 1583109), (33, 623649), (39, 527703), (99, 207883), (117, 175901), (143, 143919), (429, 47973), (1287, 15991)]