20594912

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1651

約数の個数: 48

約数和(自身を含む): 45101952

約数和(自身を除く): 24507040

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1597, 1612, 3194, 3224, 6388, 6448, 12776, 12896, 20761, 25552, 41522, 49507, 51104, 83044, 99014, 166088, 198028, 332176, 396056, 643591, 664352, 792112, 1287182, 1584224, 2574364, 5148728, 10297456, 20594912]

約数ペア:

[(1, 20594912), (2, 10297456), (4, 5148728), (8, 2574364), (13, 1584224), (16, 1287182), (26, 792112), (31, 664352), (32, 643591), (52, 396056), (62, 332176), (104, 198028), (124, 166088), (208, 99014), (248, 83044), (403, 51104), (416, 49507), (496, 41522), (806, 25552), (992, 20761), (1597, 12896), (1612, 12776), (3194, 6448), (3224, 6388)]