20186013775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1\times {\mathrm{683}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 26752153824

約数和(自身を除く): 6566140049

約数列:

[1, 5, 17, 25, 85, 197, 353, 425, 683, 985, 1765, 3349, 3415, 4925, 6001, 8825, 11611, 16745, 17075, 30005, 58055, 69541, 83725, 134551, 150025, 241099, 290275, 347705, 672755, 1182197, 1205495, 1738525, 2287367, 3363775, 4098683, 5910985, 6027475, 11436835, 20493415, 29554925, 47496503, 57184175, 102467075, 237482515, 807440551, 1187412575, 4037202755, 20186013775]

約数ペア:

[(1, 20186013775), (5, 4037202755), (17, 1187412575), (25, 807440551), (85, 237482515), (197, 102467075), (353, 57184175), (425, 47496503), (683, 29554925), (985, 20493415), (1765, 11436835), (3349, 6027475), (3415, 5910985), (4925, 4098683), (6001, 3363775), (8825, 2287367), (11611, 1738525), (16745, 1205495), (17075, 1182197), (30005, 672755), (58055, 347705), (69541, 290275), (83725, 241099), (134551, 150025)]