20793632912

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{248063}}^1$

素因数の和:248128

約数の個数: 60

約数和(自身を含む): 45032546304

約数和(自身を除く): 24238913392

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2704, 3224, 5239, 6448, 10478, 20956, 41912, 83824, 248063, 496126, 992252, 1984504, 3224819, 3969008, 6449638, 7689953, 12899276, 15379906, 25798552, 30759812, 41922647, 51597104, 61519624, 83845294, 99969389, 123039248, 167690588, 199938778, 335381176, 399877556, 670762352, 799755112, 1299602057, 1599510224, 2599204114, 5198408228, 10396816456, 20793632912]

約数ペア:

[(1, 20793632912), (2, 10396816456), (4, 5198408228), (8, 2599204114), (13, 1599510224), (16, 1299602057), (26, 799755112), (31, 670762352), (52, 399877556), (62, 335381176), (104, 199938778), (124, 167690588), (169, 123039248), (208, 99969389), (248, 83845294), (338, 61519624), (403, 51597104), (496, 41922647), (676, 30759812), (806, 25798552), (1352, 15379906), (1612, 12899276), (2704, 7689953), (3224, 6449638), (5239, 3969008), (6448, 3224819), (10478, 1984504), (20956, 992252), (41912, 496126), (83824, 248063)]