20100222776

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{2131}}^1$

素因数の和:2520

約数の個数: 64

約数和(自身を含む): 39085956000

約数和(自身を除く): 18985733224

約数列:

[1, 2, 4, 8, 41, 82, 149, 164, 193, 298, 328, 386, 596, 772, 1192, 1544, 2131, 4262, 6109, 7913, 8524, 12218, 15826, 17048, 24436, 28757, 31652, 48872, 57514, 63304, 87371, 115028, 174742, 230056, 317519, 349484, 411283, 635038, 698968, 822566, 1179037, 1270076, 1645132, 2358074, 2540152, 3290264, 4716148, 9432296, 13018279, 16862603, 26036558, 33725206, 52073116, 61281167, 67450412, 104146232, 122562334, 134900824, 245124668, 490249336, 2512527847, 5025055694, 10050111388, 20100222776]

約数ペア:

[(1, 20100222776), (2, 10050111388), (4, 5025055694), (8, 2512527847), (41, 490249336), (82, 245124668), (149, 134900824), (164, 122562334), (193, 104146232), (298, 67450412), (328, 61281167), (386, 52073116), (596, 33725206), (772, 26036558), (1192, 16862603), (1544, 13018279), (2131, 9432296), (4262, 4716148), (6109, 3290264), (7913, 2540152), (8524, 2358074), (12218, 1645132), (15826, 1270076), (17048, 1179037), (24436, 822566), (28757, 698968), (31652, 635038), (48872, 411283), (57514, 349484), (63304, 317519), (87371, 230056), (115028, 174742)]