20596029080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{463457}}^1$

素因数の和:463580

約数の個数: 64

約数和(自身を含む): 51054533280

約数和(自身を除く): 30458504200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 2020, 2222, 4040, 4444, 5555, 8888, 11110, 22220, 44440, 463457, 926914, 1853828, 2317285, 3707656, 4634570, 5098027, 9269140, 10196054, 18538280, 20392108, 25490135, 40784216, 46809157, 50980270, 93618314, 101960540, 187236628, 203921080, 234045785, 374473256, 468091570, 514900727, 936183140, 1029801454, 1872366280, 2059602908, 2574503635, 4119205816, 5149007270, 10298014540, 20596029080]

約数ペア:

[(1, 20596029080), (2, 10298014540), (4, 5149007270), (5, 4119205816), (8, 2574503635), (10, 2059602908), (11, 1872366280), (20, 1029801454), (22, 936183140), (40, 514900727), (44, 468091570), (55, 374473256), (88, 234045785), (101, 203921080), (110, 187236628), (202, 101960540), (220, 93618314), (404, 50980270), (440, 46809157), (505, 40784216), (808, 25490135), (1010, 20392108), (1111, 18538280), (2020, 10196054), (2222, 9269140), (4040, 5098027), (4444, 4634570), (5555, 3707656), (8888, 2317285), (11110, 1853828), (22220, 926914), (44440, 463457)]