20804916850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{1291}}^1$

素因数の和:1652

約数の個数: 96

約数和(自身を含む): 41202934272

約数和(自身を除く): 20398017422

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 62, 74, 155, 185, 281, 310, 370, 562, 775, 925, 1147, 1291, 1405, 1550, 1850, 2294, 2582, 2810, 5735, 6455, 7025, 8711, 10397, 11470, 12910, 14050, 17422, 20794, 28675, 32275, 40021, 43555, 47767, 51985, 57350, 64550, 80042, 87110, 95534, 103970, 200105, 217775, 238835, 259925, 322307, 362771, 400210, 435550, 477670, 519850, 644614, 725542, 1000525, 1194175, 1480777, 1611535, 1813855, 2001050, 2388350, 2961554, 3223070, 3627710, 7403885, 8057675, 9069275, 11245901, 13422527, 14807770, 16115350, 18138550, 22491802, 26845054, 37019425, 56229505, 67112635, 74038850, 112459010, 134225270, 281147525, 335563175, 416098337, 562295050, 671126350, 832196674, 2080491685, 4160983370, 10402458425, 20804916850]

約数ペア:

[(1, 20804916850), (2, 10402458425), (5, 4160983370), (10, 2080491685), (25, 832196674), (31, 671126350), (37, 562295050), (50, 416098337), (62, 335563175), (74, 281147525), (155, 134225270), (185, 112459010), (281, 74038850), (310, 67112635), (370, 56229505), (562, 37019425), (775, 26845054), (925, 22491802), (1147, 18138550), (1291, 16115350), (1405, 14807770), (1550, 13422527), (1850, 11245901), (2294, 9069275), (2582, 8057675), (2810, 7403885), (5735, 3627710), (6455, 3223070), (7025, 2961554), (8711, 2388350), (10397, 2001050), (11470, 1813855), (12910, 1611535), (14050, 1480777), (17422, 1194175), (20794, 1000525), (28675, 725542), (32275, 644614), (40021, 519850), (43555, 477670), (47767, 435550), (51985, 400210), (57350, 362771), (64550, 322307), (80042, 259925), (87110, 238835), (95534, 217775), (103970, 200105)]