20473508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 41948928

約数和(自身を除く): 21475420

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 101, 187, 202, 271, 374, 404, 542, 748, 1084, 1111, 1717, 2222, 2981, 3434, 4444, 4607, 5962, 6868, 9214, 11924, 18428, 18887, 27371, 37774, 50677, 54742, 75548, 101354, 109484, 202708, 301081, 465307, 602162, 930614, 1204324, 1861228, 5118377, 10236754, 20473508]

約数ペア:

[(1, 20473508), (2, 10236754), (4, 5118377), (11, 1861228), (17, 1204324), (22, 930614), (34, 602162), (44, 465307), (68, 301081), (101, 202708), (187, 109484), (202, 101354), (271, 75548), (374, 54742), (404, 50677), (542, 37774), (748, 27371), (1084, 18887), (1111, 18428), (1717, 11924), (2222, 9214), (2981, 6868), (3434, 5962), (4444, 4607)]