20503204080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{88897}}^1$

素因数の和:88975

約数の個数: 120

約数和(自身を含む): 65677131216

約数和(自身を除く): 45173927136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 961, 1240, 1488, 1860, 1922, 2480, 2883, 3720, 3844, 4805, 5766, 7440, 7688, 9610, 11532, 14415, 15376, 19220, 23064, 28830, 38440, 46128, 57660, 76880, 88897, 115320, 177794, 230640, 266691, 355588, 444485, 533382, 711176, 888970, 1066764, 1333455, 1422352, 1777940, 2133528, 2666910, 2755807, 3555880, 4267056, 5333820, 5511614, 7111760, 8267421, 10667640, 11023228, 13779035, 16534842, 21335280, 22046456, 27558070, 33069684, 41337105, 44092912, 55116140, 66139368, 82674210, 85430017, 110232280, 132278736, 165348420, 170860034, 220464560, 256290051, 330696840, 341720068, 427150085, 512580102, 661393680, 683440136, 854300170, 1025160204, 1281450255, 1366880272, 1708600340, 2050320408, 2562900510, 3417200680, 4100640816, 5125801020, 6834401360, 10251602040, 20503204080]

約数ペア:

[(1, 20503204080), (2, 10251602040), (3, 6834401360), (4, 5125801020), (5, 4100640816), (6, 3417200680), (8, 2562900510), (10, 2050320408), (12, 1708600340), (15, 1366880272), (16, 1281450255), (20, 1025160204), (24, 854300170), (30, 683440136), (31, 661393680), (40, 512580102), (48, 427150085), (60, 341720068), (62, 330696840), (80, 256290051), (93, 220464560), (120, 170860034), (124, 165348420), (155, 132278736), (186, 110232280), (240, 85430017), (248, 82674210), (310, 66139368), (372, 55116140), (465, 44092912), (496, 41337105), (620, 33069684), (744, 27558070), (930, 22046456), (961, 21335280), (1240, 16534842), (1488, 13779035), (1860, 11023228), (1922, 10667640), (2480, 8267421), (2883, 7111760), (3720, 5511614), (3844, 5333820), (4805, 4267056), (5766, 3555880), (7440, 2755807), (7688, 2666910), (9610, 2133528), (11532, 1777940), (14415, 1422352), (15376, 1333455), (19220, 1066764), (23064, 888970), (28830, 711176), (38440, 533382), (46128, 444485), (57660, 355588), (76880, 266691), (88897, 230640), (115320, 177794)]