20128920112

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{28751}}^1$

素因数の和:28839

約数の個数: 120

約数和(自身を含む): 48772592640

約数和(自身を除く): 28643672528

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 49, 56, 76, 94, 98, 112, 133, 152, 188, 196, 266, 304, 329, 376, 392, 532, 658, 752, 784, 893, 931, 1064, 1316, 1786, 1862, 2128, 2303, 2632, 3572, 3724, 4606, 5264, 6251, 7144, 7448, 9212, 12502, 14288, 14896, 18424, 25004, 28751, 36848, 43757, 50008, 57502, 87514, 100016, 115004, 175028, 201257, 230008, 350056, 402514, 460016, 546269, 700112, 805028, 1092538, 1351297, 1408799, 1610056, 2185076, 2702594, 2817598, 3220112, 3823883, 4370152, 5405188, 5635196, 7647766, 8740304, 9459079, 10810376, 11270392, 15295532, 18918158, 21620752, 22540784, 25674643, 26767181, 30591064, 37836316, 51349286, 53534362, 61182128, 66213553, 75672632, 102698572, 107068724, 132427106, 151345264, 179722501, 205397144, 214137448, 264854212, 359445002, 410794288, 428274896, 529708424, 718890004, 1059416848, 1258057507, 1437780008, 2516115014, 2875560016, 5032230028, 10064460056, 20128920112]

約数ペア:

[(1, 20128920112), (2, 10064460056), (4, 5032230028), (7, 2875560016), (8, 2516115014), (14, 1437780008), (16, 1258057507), (19, 1059416848), (28, 718890004), (38, 529708424), (47, 428274896), (49, 410794288), (56, 359445002), (76, 264854212), (94, 214137448), (98, 205397144), (112, 179722501), (133, 151345264), (152, 132427106), (188, 107068724), (196, 102698572), (266, 75672632), (304, 66213553), (329, 61182128), (376, 53534362), (392, 51349286), (532, 37836316), (658, 30591064), (752, 26767181), (784, 25674643), (893, 22540784), (931, 21620752), (1064, 18918158), (1316, 15295532), (1786, 11270392), (1862, 10810376), (2128, 9459079), (2303, 8740304), (2632, 7647766), (3572, 5635196), (3724, 5405188), (4606, 4370152), (5264, 3823883), (6251, 3220112), (7144, 2817598), (7448, 2702594), (9212, 2185076), (12502, 1610056), (14288, 1408799), (14896, 1351297), (18424, 1092538), (25004, 805028), (28751, 700112), (36848, 546269), (43757, 460016), (50008, 402514), (57502, 350056), (87514, 230008), (100016, 201257), (115004, 175028)]