20769172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7103}}^1$

素因数の和:7167

約数の個数: 24

約数和(自身を含む): 39384576

約数和(自身を除く): 18615404

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7103, 14206, 28412, 120751, 241502, 305429, 483004, 610858, 1221716, 5192293, 10384586, 20769172]

約数ペア:

[(1, 20769172), (2, 10384586), (4, 5192293), (17, 1221716), (34, 610858), (43, 483004), (68, 305429), (86, 241502), (172, 120751), (731, 28412), (1462, 14206), (2924, 7103)]