20656584

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:815

約数の個数: 96

約数和(自身を含む): 62407800

約数和(自身を除く): 41751216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 29, 36, 39, 52, 58, 72, 78, 87, 104, 116, 117, 156, 174, 232, 234, 261, 312, 348, 377, 468, 522, 696, 754, 761, 936, 1044, 1131, 1508, 1522, 2088, 2262, 2283, 3016, 3044, 3393, 4524, 4566, 6088, 6786, 6849, 9048, 9132, 9893, 13572, 13698, 18264, 19786, 22069, 27144, 27396, 29679, 39572, 44138, 54792, 59358, 66207, 79144, 88276, 89037, 118716, 132414, 176552, 178074, 198621, 237432, 264828, 286897, 356148, 397242, 529656, 573794, 712296, 794484, 860691, 1147588, 1588968, 1721382, 2295176, 2582073, 3442764, 5164146, 6885528, 10328292, 20656584]

約数ペア:

[(1, 20656584), (2, 10328292), (3, 6885528), (4, 5164146), (6, 3442764), (8, 2582073), (9, 2295176), (12, 1721382), (13, 1588968), (18, 1147588), (24, 860691), (26, 794484), (29, 712296), (36, 573794), (39, 529656), (52, 397242), (58, 356148), (72, 286897), (78, 264828), (87, 237432), (104, 198621), (116, 178074), (117, 176552), (156, 132414), (174, 118716), (232, 89037), (234, 88276), (261, 79144), (312, 66207), (348, 59358), (377, 54792), (468, 44138), (522, 39572), (696, 29679), (754, 27396), (761, 27144), (936, 22069), (1044, 19786), (1131, 18264), (1508, 13698), (1522, 13572), (2088, 9893), (2262, 9132), (2283, 9048), (3016, 6849), (3044, 6786), (3393, 6088), (4524, 4566)]