20170796840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1\times {\mathrm{10223}}^1$

素因数の和:10802

約数の個数: 64

約数和(自身を含む): 45912303360

約数和(自身を除く): 25741506520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 461, 535, 856, 922, 1070, 1844, 2140, 2305, 3688, 4280, 4610, 9220, 10223, 18440, 20446, 40892, 49327, 51115, 81784, 98654, 102230, 197308, 204460, 246635, 394616, 408920, 493270, 986540, 1093861, 1973080, 2187722, 4375444, 4712803, 5469305, 8750888, 9425606, 10938610, 18851212, 21877220, 23564015, 37702424, 43754440, 47128030, 94256060, 188512120, 504269921, 1008539842, 2017079684, 2521349605, 4034159368, 5042699210, 10085398420, 20170796840]

約数ペア:

[(1, 20170796840), (2, 10085398420), (4, 5042699210), (5, 4034159368), (8, 2521349605), (10, 2017079684), (20, 1008539842), (40, 504269921), (107, 188512120), (214, 94256060), (428, 47128030), (461, 43754440), (535, 37702424), (856, 23564015), (922, 21877220), (1070, 18851212), (1844, 10938610), (2140, 9425606), (2305, 8750888), (3688, 5469305), (4280, 4712803), (4610, 4375444), (9220, 2187722), (10223, 1973080), (18440, 1093861), (20446, 986540), (40892, 493270), (49327, 408920), (51115, 394616), (81784, 246635), (98654, 204460), (102230, 197308)]