20796112

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12619}}^1$

素因数の和:12730

約数の個数: 20

約数和(自身を含む): 40686880

約数和(自身を除く): 19890768

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12619, 25238, 50476, 100952, 201904, 1299757, 2599514, 5199028, 10398056, 20796112]

約数ペア:

[(1, 20796112), (2, 10398056), (4, 5199028), (8, 2599514), (16, 1299757), (103, 201904), (206, 100952), (412, 50476), (824, 25238), (1648, 12619)]