20565209847

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{75330439}}^1$

素因数の和:75330462

約数の個数: 16

約数和(自身を含む): 33748037120

約数和(自身を除く): 13182827273

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 75330439, 225991317, 527313073, 979295707, 1581939219, 2937887121, 6855069949, 20565209847]

約数ペア:

[(1, 20565209847), (3, 6855069949), (7, 2937887121), (13, 1581939219), (21, 979295707), (39, 527313073), (91, 225991317), (273, 75330439)]