20204776456

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{1811}}^1$

素因数の和:2162

約数の個数: 64

約数和(自身を含む): 38965248000

約数和(自身を除く): 18760471544

約数列:

[1, 2, 4, 8, 79, 127, 139, 158, 254, 278, 316, 508, 556, 632, 1016, 1112, 1811, 3622, 7244, 10033, 10981, 14488, 17653, 20066, 21962, 35306, 40132, 43924, 70612, 80264, 87848, 141224, 143069, 229997, 251729, 286138, 459994, 503458, 572276, 919988, 1006916, 1144552, 1394587, 1839976, 2013832, 2789174, 5578348, 11156696, 18169763, 19886591, 31969583, 36339526, 39773182, 63939166, 72679052, 79546364, 127878332, 145358104, 159092728, 255756664, 2525597057, 5051194114, 10102388228, 20204776456]

約数ペア:

[(1, 20204776456), (2, 10102388228), (4, 5051194114), (8, 2525597057), (79, 255756664), (127, 159092728), (139, 145358104), (158, 127878332), (254, 79546364), (278, 72679052), (316, 63939166), (508, 39773182), (556, 36339526), (632, 31969583), (1016, 19886591), (1112, 18169763), (1811, 11156696), (3622, 5578348), (7244, 2789174), (10033, 2013832), (10981, 1839976), (14488, 1394587), (17653, 1144552), (20066, 1006916), (21962, 919988), (35306, 572276), (40132, 503458), (43924, 459994), (70612, 286138), (80264, 251729), (87848, 229997), (141224, 143069)]