20545216920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{196117}}^1$

素因数の和:196234

約数の個数: 128

約数和(自身を含む): 69190430400

約数和(自身を除く): 48645213480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 180, 194, 216, 270, 291, 360, 388, 485, 540, 582, 776, 873, 970, 1080, 1164, 1455, 1746, 1940, 2328, 2619, 2910, 3492, 3880, 4365, 5238, 5820, 6984, 8730, 10476, 11640, 13095, 17460, 20952, 26190, 34920, 52380, 104760, 196117, 392234, 588351, 784468, 980585, 1176702, 1568936, 1765053, 1961170, 2353404, 2941755, 3530106, 3922340, 4706808, 5295159, 5883510, 7060212, 7844680, 8825265, 10590318, 11767020, 14120424, 17650530, 19023349, 21180636, 23534040, 26475795, 35301060, 38046698, 42361272, 52951590, 57070047, 70602120, 76093396, 95116745, 105903180, 114140094, 152186792, 171210141, 190233490, 211806360, 228280188, 285350235, 342420282, 380466980, 456560376, 513630423, 570700470, 684840564, 760933960, 856050705, 1027260846, 1141400940, 1369681128, 1712101410, 2054521692, 2282801880, 2568152115, 3424202820, 4109043384, 5136304230, 6848405640, 10272608460, 20545216920]

約数ペア:

[(1, 20545216920), (2, 10272608460), (3, 6848405640), (4, 5136304230), (5, 4109043384), (6, 3424202820), (8, 2568152115), (9, 2282801880), (10, 2054521692), (12, 1712101410), (15, 1369681128), (18, 1141400940), (20, 1027260846), (24, 856050705), (27, 760933960), (30, 684840564), (36, 570700470), (40, 513630423), (45, 456560376), (54, 380466980), (60, 342420282), (72, 285350235), (90, 228280188), (97, 211806360), (108, 190233490), (120, 171210141), (135, 152186792), (180, 114140094), (194, 105903180), (216, 95116745), (270, 76093396), (291, 70602120), (360, 57070047), (388, 52951590), (485, 42361272), (540, 38046698), (582, 35301060), (776, 26475795), (873, 23534040), (970, 21180636), (1080, 19023349), (1164, 17650530), (1455, 14120424), (1746, 11767020), (1940, 10590318), (2328, 8825265), (2619, 7844680), (2910, 7060212), (3492, 5883510), (3880, 5295159), (4365, 4706808), (5238, 3922340), (5820, 3530106), (6984, 2941755), (8730, 2353404), (10476, 1961170), (11640, 1765053), (13095, 1568936), (17460, 1176702), (20952, 980585), (26190, 784468), (34920, 588351), (52380, 392234), (104760, 196117)]