20642556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9199}}^1$

素因数の和:9234

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 34999044

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 374, 561, 748, 1122, 2244, 9199, 18398, 27597, 36796, 55194, 101189, 110388, 156383, 202378, 303567, 312766, 404756, 469149, 607134, 625532, 938298, 1214268, 1720213, 1876596, 3440426, 5160639, 6880852, 10321278, 20642556]

約数ペア:

[(1, 20642556), (2, 10321278), (3, 6880852), (4, 5160639), (6, 3440426), (11, 1876596), (12, 1720213), (17, 1214268), (22, 938298), (33, 625532), (34, 607134), (44, 469149), (51, 404756), (66, 312766), (68, 303567), (102, 202378), (132, 156383), (187, 110388), (204, 101189), (374, 55194), (561, 36796), (748, 27597), (1122, 18398), (2244, 9199)]