20028276

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3499}}^1$

素因数の和:3565

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 32891724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3499, 5724, 6998, 10497, 13996, 20994, 31491, 41988, 62982, 94473, 125964, 185447, 188946, 370894, 377892, 556341, 741788, 1112682, 1669023, 2225364, 3338046, 5007069, 6676092, 10014138, 20028276]

約数ペア:

[(1, 20028276), (2, 10014138), (3, 6676092), (4, 5007069), (6, 3338046), (9, 2225364), (12, 1669023), (18, 1112682), (27, 741788), (36, 556341), (53, 377892), (54, 370894), (106, 188946), (108, 185447), (159, 125964), (212, 94473), (318, 62982), (477, 41988), (636, 31491), (954, 20994), (1431, 13996), (1908, 10497), (2862, 6998), (3499, 5724)]