20481876

素因数分解:

$2^2\times 3^3\times {\mathrm{199}}^1\times {\mathrm{953}}^1$

素因数の和:1165

約数の個数: 48

約数和(自身を含む): 53424000

約数和(自身を除く): 32942124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 199, 398, 597, 796, 953, 1194, 1791, 1906, 2388, 2859, 3582, 3812, 5373, 5718, 7164, 8577, 10746, 11436, 17154, 21492, 25731, 34308, 51462, 102924, 189647, 379294, 568941, 758588, 1137882, 1706823, 2275764, 3413646, 5120469, 6827292, 10240938, 20481876]

約数ペア:

[(1, 20481876), (2, 10240938), (3, 6827292), (4, 5120469), (6, 3413646), (9, 2275764), (12, 1706823), (18, 1137882), (27, 758588), (36, 568941), (54, 379294), (108, 189647), (199, 102924), (398, 51462), (597, 34308), (796, 25731), (953, 21492), (1194, 17154), (1791, 11436), (1906, 10746), (2388, 8577), (2859, 7164), (3582, 5718), (3812, 5373)]