20318292

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 54722304

約数和(自身を除く): 34404012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 414, 463, 477, 636, 828, 926, 954, 1219, 1389, 1852, 1908, 2438, 2778, 3657, 4167, 4876, 5556, 7314, 8334, 10649, 10971, 14628, 16668, 21298, 21942, 24539, 31947, 42596, 43884, 49078, 63894, 73617, 95841, 98156, 127788, 147234, 191682, 220851, 294468, 383364, 441702, 564397, 883404, 1128794, 1693191, 2257588, 3386382, 5079573, 6772764, 10159146, 20318292]

約数ペア:

[(1, 20318292), (2, 10159146), (3, 6772764), (4, 5079573), (6, 3386382), (9, 2257588), (12, 1693191), (18, 1128794), (23, 883404), (36, 564397), (46, 441702), (53, 383364), (69, 294468), (92, 220851), (106, 191682), (138, 147234), (159, 127788), (207, 98156), (212, 95841), (276, 73617), (318, 63894), (414, 49078), (463, 43884), (477, 42596), (636, 31947), (828, 24539), (926, 21942), (954, 21298), (1219, 16668), (1389, 14628), (1852, 10971), (1908, 10649), (2438, 8334), (2778, 7314), (3657, 5556), (4167, 4876)]