20763922077

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{491}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 34234462080

約数和(自身を除く): 13470540003

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 243, 261, 353, 459, 491, 493, 783, 1059, 1377, 1473, 1479, 2349, 3177, 4131, 4419, 4437, 6001, 7047, 8347, 9531, 10237, 13257, 13311, 14239, 18003, 25041, 28593, 30711, 39771, 39933, 42717, 54009, 75123, 85779, 92133, 119313, 119799, 128151, 162027, 173323, 174029, 225369, 242063, 276399, 384453, 486081, 519969, 522087, 676107, 726189, 829197, 1153359, 1458243, 1559907, 1566261, 2028321, 2178567, 2487591, 2946491, 3460077, 4679721, 4698783, 5026367, 6535701, 8839473, 14039163, 14096349, 15079101, 19607103, 26518419, 42117489, 42289047, 45237303, 58821309, 79555257, 85448239, 135711909, 238665771, 256344717, 407135727, 715997313, 769034151, 1221407181, 2307102453, 6921307359, 20763922077]

約数ペア:

[(1, 20763922077), (3, 6921307359), (9, 2307102453), (17, 1221407181), (27, 769034151), (29, 715997313), (51, 407135727), (81, 256344717), (87, 238665771), (153, 135711909), (243, 85448239), (261, 79555257), (353, 58821309), (459, 45237303), (491, 42289047), (493, 42117489), (783, 26518419), (1059, 19607103), (1377, 15079101), (1473, 14096349), (1479, 14039163), (2349, 8839473), (3177, 6535701), (4131, 5026367), (4419, 4698783), (4437, 4679721), (6001, 3460077), (7047, 2946491), (8347, 2487591), (9531, 2178567), (10237, 2028321), (13257, 1566261), (13311, 1559907), (14239, 1458243), (18003, 1153359), (25041, 829197), (28593, 726189), (30711, 676107), (39771, 522087), (39933, 519969), (42717, 486081), (54009, 384453), (75123, 276399), (85779, 242063), (92133, 225369), (119313, 174029), (119799, 173323), (128151, 162027)]