20120643837

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{17257}}^1$

素因数の和:17503

約数の個数: 64

約数和(自身を含む): 35344384000

約数和(自身を除く): 15223740163

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 199, 217, 279, 597, 651, 837, 1393, 1791, 1953, 4179, 5373, 5859, 6169, 12537, 17257, 18507, 37611, 43183, 51771, 55521, 120799, 129549, 155313, 166563, 362397, 388647, 465939, 534967, 1087191, 1165941, 1604901, 3261573, 3434143, 3744769, 4814703, 10302429, 11234307, 14444109, 24039001, 30907287, 33702921, 72117003, 92721861, 101108763, 106458433, 216351009, 319375299, 649053027, 745209031, 958125897, 2235627093, 2874377691, 6706881279, 20120643837]

約数ペア:

[(1, 20120643837), (3, 6706881279), (7, 2874377691), (9, 2235627093), (21, 958125897), (27, 745209031), (31, 649053027), (63, 319375299), (93, 216351009), (189, 106458433), (199, 101108763), (217, 92721861), (279, 72117003), (597, 33702921), (651, 30907287), (837, 24039001), (1393, 14444109), (1791, 11234307), (1953, 10302429), (4179, 4814703), (5373, 3744769), (5859, 3434143), (6169, 3261573), (12537, 1604901), (17257, 1165941), (18507, 1087191), (37611, 534967), (43183, 465939), (51771, 388647), (55521, 362397), (120799, 166563), (129549, 155313)]