20196700960

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^2\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:627

約数の個数: 144

約数和(自身を含む): 49227252984

約数和(自身を除く): 29030552024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 233, 293, 344, 430, 466, 586, 688, 860, 932, 1165, 1172, 1376, 1465, 1720, 1849, 1864, 2330, 2344, 2930, 3440, 3698, 3728, 4660, 4688, 5860, 6880, 7396, 7456, 9245, 9320, 9376, 10019, 11720, 12599, 14792, 18490, 18640, 20038, 23440, 25198, 29584, 36980, 37280, 40076, 46880, 50095, 50396, 59168, 62995, 68269, 73960, 80152, 100190, 100792, 125990, 136538, 147920, 160304, 200380, 201584, 251980, 273076, 295840, 320608, 341345, 400760, 403168, 430817, 503960, 541757, 546152, 682690, 801520, 861634, 1007920, 1083514, 1092304, 1365380, 1603040, 1723268, 2015840, 2154085, 2167028, 2184608, 2708785, 2730760, 2935567, 3446536, 4308170, 4334056, 5417570, 5461520, 5871134, 6893072, 8616340, 8668112, 10835140, 10923040, 11742268, 13786144, 14677835, 17232680, 17336224, 21670280, 23484536, 29355670, 34465360, 43340560, 46969072, 58711340, 68930720, 86681120, 93938144, 117422680, 126229381, 234845360, 252458762, 469690720, 504917524, 631146905, 1009835048, 1262293810, 2019670096, 2524587620, 4039340192, 5049175240, 10098350480, 20196700960]

約数ペア:

[(1, 20196700960), (2, 10098350480), (4, 5049175240), (5, 4039340192), (8, 2524587620), (10, 2019670096), (16, 1262293810), (20, 1009835048), (32, 631146905), (40, 504917524), (43, 469690720), (80, 252458762), (86, 234845360), (160, 126229381), (172, 117422680), (215, 93938144), (233, 86681120), (293, 68930720), (344, 58711340), (430, 46969072), (466, 43340560), (586, 34465360), (688, 29355670), (860, 23484536), (932, 21670280), (1165, 17336224), (1172, 17232680), (1376, 14677835), (1465, 13786144), (1720, 11742268), (1849, 10923040), (1864, 10835140), (2330, 8668112), (2344, 8616340), (2930, 6893072), (3440, 5871134), (3698, 5461520), (3728, 5417570), (4660, 4334056), (4688, 4308170), (5860, 3446536), (6880, 2935567), (7396, 2730760), (7456, 2708785), (9245, 2184608), (9320, 2167028), (9376, 2154085), (10019, 2015840), (11720, 1723268), (12599, 1603040), (14792, 1365380), (18490, 1092304), (18640, 1083514), (20038, 1007920), (23440, 861634), (25198, 801520), (29584, 682690), (36980, 546152), (37280, 541757), (40076, 503960), (46880, 430817), (50095, 403168), (50396, 400760), (59168, 341345), (62995, 320608), (68269, 295840), (73960, 273076), (80152, 251980), (100190, 201584), (100792, 200380), (125990, 160304), (136538, 147920)]