20199195261

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^2\times {\mathrm{19267}}^1$

素因数の和:19372

約数の個数: 60

約数和(自身を含む): 35307145632

約数和(自身を除く): 15107950371

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 1849, 2709, 3483, 5547, 8127, 12943, 16641, 19267, 24381, 38829, 49923, 57801, 116487, 134869, 149769, 173403, 349461, 404607, 520209, 828481, 1048383, 1213821, 1560627, 2485443, 3641463, 5799367, 7456329, 10924389, 17398101, 22368987, 35624683, 52194303, 67106961, 106874049, 156582909, 249372781, 320622147, 469748727, 748118343, 961866441, 2244355029, 2885599323, 6733065087, 20199195261]

約数ペア:

[(1, 20199195261), (3, 6733065087), (7, 2885599323), (9, 2244355029), (21, 961866441), (27, 748118343), (43, 469748727), (63, 320622147), (81, 249372781), (129, 156582909), (189, 106874049), (301, 67106961), (387, 52194303), (567, 35624683), (903, 22368987), (1161, 17398101), (1849, 10924389), (2709, 7456329), (3483, 5799367), (5547, 3641463), (8127, 2485443), (12943, 1560627), (16641, 1213821), (19267, 1048383), (24381, 828481), (38829, 520209), (49923, 404607), (57801, 349461), (116487, 173403), (134869, 149769)]