20189917202

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{16481}}^1$

素因数の和:16683

約数の個数: 64

約数和(自身を含む): 38278324224

約数和(自身を除く): 18088407022

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 127, 182, 254, 371, 689, 742, 889, 1378, 1651, 1778, 3302, 4823, 6731, 9646, 11557, 13462, 16481, 23114, 32962, 47117, 87503, 94234, 115367, 175006, 214253, 230734, 428506, 612521, 873493, 1225042, 1499771, 1746986, 2093087, 2999542, 4186174, 6114451, 11355409, 12228902, 14651609, 22710818, 27210131, 29303218, 54420262, 79487863, 110933611, 158975726, 190470917, 221867222, 380941834, 776535277, 1442136943, 1553070554, 2884273886, 10094958601, 20189917202]

約数ペア:

[(1, 20189917202), (2, 10094958601), (7, 2884273886), (13, 1553070554), (14, 1442136943), (26, 776535277), (53, 380941834), (91, 221867222), (106, 190470917), (127, 158975726), (182, 110933611), (254, 79487863), (371, 54420262), (689, 29303218), (742, 27210131), (889, 22710818), (1378, 14651609), (1651, 12228902), (1778, 11355409), (3302, 6114451), (4823, 4186174), (6731, 2999542), (9646, 2093087), (11557, 1746986), (13462, 1499771), (16481, 1225042), (23114, 873493), (32962, 612521), (47117, 428506), (87503, 230734), (94234, 214253), (115367, 175006)]