20164308920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2593}}^1\times {\mathrm{27773}}^1$

素因数の和:30384

約数の個数: 64

約数和(自身を含む): 51872944320

約数和(自身を除く): 31708635400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2593, 5186, 10372, 12965, 18151, 20744, 25930, 27773, 36302, 51860, 55546, 72604, 90755, 103720, 111092, 138865, 145208, 181510, 194411, 222184, 277730, 363020, 388822, 555460, 726040, 777644, 972055, 1110920, 1555288, 1944110, 3888220, 7776440, 72015389, 144030778, 288061556, 360076945, 504107723, 576123112, 720153890, 1008215446, 1440307780, 2016430892, 2520538615, 2880615560, 4032861784, 5041077230, 10082154460, 20164308920]

約数ペア:

[(1, 20164308920), (2, 10082154460), (4, 5041077230), (5, 4032861784), (7, 2880615560), (8, 2520538615), (10, 2016430892), (14, 1440307780), (20, 1008215446), (28, 720153890), (35, 576123112), (40, 504107723), (56, 360076945), (70, 288061556), (140, 144030778), (280, 72015389), (2593, 7776440), (5186, 3888220), (10372, 1944110), (12965, 1555288), (18151, 1110920), (20744, 972055), (25930, 777644), (27773, 726040), (36302, 555460), (51860, 388822), (55546, 363020), (72604, 277730), (90755, 222184), (103720, 194411), (111092, 181510), (138865, 145208)]