20807009478

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{155599}}^1$

素因数の和:155666

約数の個数: 96

約数和(自身を含む): 52430976000

約数和(自身を除く): 31623966522

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 23, 34, 38, 46, 51, 57, 69, 102, 114, 138, 153, 171, 207, 306, 323, 342, 391, 414, 437, 646, 782, 874, 969, 1173, 1311, 1938, 2346, 2622, 2907, 3519, 3933, 5814, 7038, 7429, 7866, 14858, 22287, 44574, 66861, 133722, 155599, 311198, 466797, 933594, 1400391, 2645183, 2800782, 2956381, 3578777, 5290366, 5912762, 7157554, 7935549, 8869143, 10736331, 15871098, 17738286, 21472662, 23806647, 26607429, 32208993, 47613294, 50258477, 53214858, 60839209, 64417986, 67996763, 100516954, 121678418, 135993526, 150775431, 182517627, 203990289, 301550862, 365035254, 407980578, 452326293, 547552881, 611970867, 904652586, 1095105762, 1155944971, 1223941734, 2311889942, 3467834913, 6935669826, 10403504739, 20807009478]

約数ペア:

[(1, 20807009478), (2, 10403504739), (3, 6935669826), (6, 3467834913), (9, 2311889942), (17, 1223941734), (18, 1155944971), (19, 1095105762), (23, 904652586), (34, 611970867), (38, 547552881), (46, 452326293), (51, 407980578), (57, 365035254), (69, 301550862), (102, 203990289), (114, 182517627), (138, 150775431), (153, 135993526), (171, 121678418), (207, 100516954), (306, 67996763), (323, 64417986), (342, 60839209), (391, 53214858), (414, 50258477), (437, 47613294), (646, 32208993), (782, 26607429), (874, 23806647), (969, 21472662), (1173, 17738286), (1311, 15871098), (1938, 10736331), (2346, 8869143), (2622, 7935549), (2907, 7157554), (3519, 5912762), (3933, 5290366), (5814, 3578777), (7038, 2956381), (7429, 2800782), (7866, 2645183), (14858, 1400391), (22287, 933594), (44574, 466797), (66861, 311198), (133722, 155599)]