20916304

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13477}}^1$

素因数の和:13582

約数の個数: 20

約数和(自身を含む): 40946164

約数和(自身を除く): 20029860

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13477, 26954, 53908, 107816, 215632, 1307269, 2614538, 5229076, 10458152, 20916304]

約数ペア:

[(1, 20916304), (2, 10458152), (4, 5229076), (8, 2614538), (16, 1307269), (97, 215632), (194, 107816), (388, 53908), (776, 26954), (1552, 13477)]