20797722

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^2\times {\mathrm{1061}}^1$

素因数の和:1097

約数の個数: 60

約数和(自身を含む): 51272298

約数和(自身を除く): 30474576

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 121, 162, 198, 242, 297, 363, 594, 726, 891, 1061, 1089, 1782, 2122, 2178, 3183, 3267, 6366, 6534, 9549, 9801, 11671, 19098, 19602, 23342, 28647, 35013, 57294, 70026, 85941, 105039, 128381, 171882, 210078, 256762, 315117, 385143, 630234, 770286, 945351, 1155429, 1890702, 2310858, 3466287, 6932574, 10398861, 20797722]

約数ペア:

[(1, 20797722), (2, 10398861), (3, 6932574), (6, 3466287), (9, 2310858), (11, 1890702), (18, 1155429), (22, 945351), (27, 770286), (33, 630234), (54, 385143), (66, 315117), (81, 256762), (99, 210078), (121, 171882), (162, 128381), (198, 105039), (242, 85941), (297, 70026), (363, 57294), (594, 35013), (726, 28647), (891, 23342), (1061, 19602), (1089, 19098), (1782, 11671), (2122, 9801), (2178, 9549), (3183, 6534), (3267, 6366)]