20011895916

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{497957}}^1$

素因数の和:498178

約数の個数: 48

約数和(自身を含む): 49692224736

約数和(自身を除く): 29680328820

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 197, 204, 394, 591, 788, 1182, 2364, 3349, 6698, 10047, 13396, 20094, 40188, 497957, 995914, 1493871, 1991828, 2987742, 5975484, 8465269, 16930538, 25395807, 33861076, 50791614, 98097529, 101583228, 196195058, 294292587, 392390116, 588585174, 1177170348, 1667657993, 3335315986, 5002973979, 6670631972, 10005947958, 20011895916]

約数ペア:

[(1, 20011895916), (2, 10005947958), (3, 6670631972), (4, 5002973979), (6, 3335315986), (12, 1667657993), (17, 1177170348), (34, 588585174), (51, 392390116), (68, 294292587), (102, 196195058), (197, 101583228), (204, 98097529), (394, 50791614), (591, 33861076), (788, 25395807), (1182, 16930538), (2364, 8465269), (3349, 5975484), (6698, 2987742), (10047, 1991828), (13396, 1493871), (20094, 995914), (40188, 497957)]