20996912

素因数分解:

$2^4\times {\mathrm{829}}^1\times {\mathrm{1583}}^1$

素因数の和:2420

約数の個数: 20

約数和(自身を含む): 40756320

約数和(自身を除く): 19759408

約数列:

[1, 2, 4, 8, 16, 829, 1583, 1658, 3166, 3316, 6332, 6632, 12664, 13264, 25328, 1312307, 2624614, 5249228, 10498456, 20996912]

約数ペア:

[(1, 20996912), (2, 10498456), (4, 5249228), (8, 2624614), (16, 1312307), (829, 25328), (1583, 13264), (1658, 12664), (3166, 6632), (3316, 6332)]