20287936

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:701

約数の個数: 56

約数和(自身を含む): 44165520

約数和(自身を除く): 23877584

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 136, 232, 272, 464, 493, 544, 643, 928, 986, 1088, 1286, 1856, 1972, 2572, 3944, 5144, 7888, 10288, 10931, 15776, 18647, 20576, 21862, 31552, 37294, 41152, 43724, 74588, 87448, 149176, 174896, 298352, 316999, 349792, 596704, 633998, 699584, 1193408, 1267996, 2535992, 5071984, 10143968, 20287936]

約数ペア:

[(1, 20287936), (2, 10143968), (4, 5071984), (8, 2535992), (16, 1267996), (17, 1193408), (29, 699584), (32, 633998), (34, 596704), (58, 349792), (64, 316999), (68, 298352), (116, 174896), (136, 149176), (232, 87448), (272, 74588), (464, 43724), (493, 41152), (544, 37294), (643, 31552), (928, 21862), (986, 20576), (1088, 18647), (1286, 15776), (1856, 10931), (1972, 10288), (2572, 7888), (3944, 5144)]