20998224

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3739}}^1$

素因数の和:3769

約数の個数: 80

約数和(自身を含む): 64926400

約数和(自身を除く): 43928176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3739, 5616, 7478, 11217, 14956, 22434, 29912, 33651, 44868, 48607, 59824, 67302, 89736, 97214, 100953, 134604, 145821, 179472, 194428, 201906, 269208, 291642, 388856, 403812, 437463, 538416, 583284, 777712, 807624, 874926, 1166568, 1312389, 1615248, 1749852, 2333136, 2624778, 3499704, 5249556, 6999408, 10499112, 20998224]

約数ペア:

[(1, 20998224), (2, 10499112), (3, 6999408), (4, 5249556), (6, 3499704), (8, 2624778), (9, 2333136), (12, 1749852), (13, 1615248), (16, 1312389), (18, 1166568), (24, 874926), (26, 807624), (27, 777712), (36, 583284), (39, 538416), (48, 437463), (52, 403812), (54, 388856), (72, 291642), (78, 269208), (104, 201906), (108, 194428), (117, 179472), (144, 145821), (156, 134604), (208, 100953), (216, 97214), (234, 89736), (312, 67302), (351, 59824), (432, 48607), (468, 44868), (624, 33651), (702, 29912), (936, 22434), (1404, 14956), (1872, 11217), (2808, 7478), (3739, 5616)]