20126692456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2447}}^1\times {\mathrm{79087}}^1$

素因数の和:81553

約数の個数: 32

約数和(自身を含む): 40657559040

約数和(自身を除く): 20530866584

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2447, 4894, 9788, 19576, 31811, 63622, 79087, 127244, 158174, 254488, 316348, 632696, 1028131, 2056262, 4112524, 8225048, 193525889, 387051778, 774103556, 1548207112, 2515836557, 5031673114, 10063346228, 20126692456]

約数ペア:

[(1, 20126692456), (2, 10063346228), (4, 5031673114), (8, 2515836557), (13, 1548207112), (26, 774103556), (52, 387051778), (104, 193525889), (2447, 8225048), (4894, 4112524), (9788, 2056262), (19576, 1028131), (31811, 632696), (63622, 316348), (79087, 254488), (127244, 158174)]