20139609840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11987863}}^1$

素因数の和:11987886

約数の個数: 80

約数和(自身を含む): 71351766528

約数和(自身を除く): 51212156688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11987863, 23975726, 35963589, 47951452, 59939315, 71927178, 83915041, 95902904, 119878630, 143854356, 167830082, 179817945, 191805808, 239757260, 251745123, 287708712, 335660164, 359635890, 419575205, 479514520, 503490246, 575417424, 671320328, 719271780, 839150410, 959029040, 1006980492, 1258725615, 1342640656, 1438543560, 1678300820, 2013960984, 2517451230, 2877087120, 3356601640, 4027921968, 5034902460, 6713203280, 10069804920, 20139609840]

約数ペア:

[(1, 20139609840), (2, 10069804920), (3, 6713203280), (4, 5034902460), (5, 4027921968), (6, 3356601640), (7, 2877087120), (8, 2517451230), (10, 2013960984), (12, 1678300820), (14, 1438543560), (15, 1342640656), (16, 1258725615), (20, 1006980492), (21, 959029040), (24, 839150410), (28, 719271780), (30, 671320328), (35, 575417424), (40, 503490246), (42, 479514520), (48, 419575205), (56, 359635890), (60, 335660164), (70, 287708712), (80, 251745123), (84, 239757260), (105, 191805808), (112, 179817945), (120, 167830082), (140, 143854356), (168, 119878630), (210, 95902904), (240, 83915041), (280, 71927178), (336, 59939315), (420, 47951452), (560, 35963589), (840, 23975726), (1680, 11987863)]