20199874023

素因数分解:

$3^2\times 7^3\times {\mathrm{337}}^1\times {\mathrm{19417}}^1$

素因数の和:19781

約数の個数: 48

約数和(自身を含む): 34129076800

約数和(自身を除く): 13929202777

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 337, 343, 441, 1011, 1029, 2359, 3033, 3087, 7077, 16513, 19417, 21231, 49539, 58251, 115591, 135919, 148617, 174753, 346773, 407757, 951433, 1040319, 1223271, 2854299, 6543529, 6660031, 8562897, 19630587, 19980093, 45804703, 58891761, 59940279, 137414109, 320632921, 412242327, 961898763, 2244430447, 2885696289, 6733291341, 20199874023]

約数ペア:

[(1, 20199874023), (3, 6733291341), (7, 2885696289), (9, 2244430447), (21, 961898763), (49, 412242327), (63, 320632921), (147, 137414109), (337, 59940279), (343, 58891761), (441, 45804703), (1011, 19980093), (1029, 19630587), (2359, 8562897), (3033, 6660031), (3087, 6543529), (7077, 2854299), (16513, 1223271), (19417, 1040319), (21231, 951433), (49539, 407757), (58251, 346773), (115591, 174753), (135919, 148617)]