20511165200

素因数分解:

$2^4\times 5^2\times {\mathrm{941}}^1\times {\mathrm{54493}}^1$

素因数の和:55452

約数の個数: 60

約数和(自身を含む): 49331347428

約数和(自身を除く): 28820182228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 941, 1882, 3764, 4705, 7528, 9410, 15056, 18820, 23525, 37640, 47050, 54493, 75280, 94100, 108986, 188200, 217972, 272465, 376400, 435944, 544930, 871888, 1089860, 1362325, 2179720, 2724650, 4359440, 5449300, 10898600, 21797200, 51277913, 102555826, 205111652, 256389565, 410223304, 512779130, 820446608, 1025558260, 1281947825, 2051116520, 2563895650, 4102233040, 5127791300, 10255582600, 20511165200]

約数ペア:

[(1, 20511165200), (2, 10255582600), (4, 5127791300), (5, 4102233040), (8, 2563895650), (10, 2051116520), (16, 1281947825), (20, 1025558260), (25, 820446608), (40, 512779130), (50, 410223304), (80, 256389565), (100, 205111652), (200, 102555826), (400, 51277913), (941, 21797200), (1882, 10898600), (3764, 5449300), (4705, 4359440), (7528, 2724650), (9410, 2179720), (15056, 1362325), (18820, 1089860), (23525, 871888), (37640, 544930), (47050, 435944), (54493, 376400), (75280, 272465), (94100, 217972), (108986, 188200)]