20817962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55663}}^1$

素因数の和:55693

約数の個数: 16

約数和(自身を含む): 36070272

約数和(自身を除く): 15252310

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 55663, 111326, 612293, 946271, 1224586, 1892542, 10408981, 20817962]

約数ペア:

[(1, 20817962), (2, 10408981), (11, 1892542), (17, 1224586), (22, 946271), (34, 612293), (187, 111326), (374, 55663)]