20184255

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 128

約数和(自身を含む): 46448640

約数和(自身を除く): 26264385

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 31, 35, 39, 45, 53, 63, 65, 91, 93, 105, 117, 135, 155, 159, 189, 195, 217, 265, 273, 279, 315, 351, 371, 403, 455, 465, 477, 585, 651, 689, 795, 819, 837, 945, 1085, 1113, 1209, 1365, 1395, 1431, 1643, 1755, 1855, 1953, 2015, 2067, 2385, 2457, 2821, 3255, 3339, 3445, 3627, 4095, 4185, 4823, 4929, 5565, 5859, 6045, 6201, 7155, 8215, 8463, 9765, 10017, 10335, 10881, 11501, 12285, 14105, 14469, 14787, 16695, 18135, 18603, 21359, 24115, 24645, 25389, 29295, 31005, 34503, 42315, 43407, 44361, 50085, 54405, 57505, 64077, 72345, 73935, 76167, 93015, 103509, 106795, 126945, 130221, 149513, 172515, 192231, 217035, 221805, 310527, 320385, 380835, 448539, 517545, 576693, 651105, 747565, 961155, 1345617, 1552635, 2242695, 2883465, 4036851, 6728085, 20184255]

約数ペア:

[(1, 20184255), (3, 6728085), (5, 4036851), (7, 2883465), (9, 2242695), (13, 1552635), (15, 1345617), (21, 961155), (27, 747565), (31, 651105), (35, 576693), (39, 517545), (45, 448539), (53, 380835), (63, 320385), (65, 310527), (91, 221805), (93, 217035), (105, 192231), (117, 172515), (135, 149513), (155, 130221), (159, 126945), (189, 106795), (195, 103509), (217, 93015), (265, 76167), (273, 73935), (279, 72345), (315, 64077), (351, 57505), (371, 54405), (403, 50085), (455, 44361), (465, 43407), (477, 42315), (585, 34503), (651, 31005), (689, 29295), (795, 25389), (819, 24645), (837, 24115), (945, 21359), (1085, 18603), (1113, 18135), (1209, 16695), (1365, 14787), (1395, 14469), (1431, 14105), (1643, 12285), (1755, 11501), (1855, 10881), (1953, 10335), (2015, 10017), (2067, 9765), (2385, 8463), (2457, 8215), (2821, 7155), (3255, 6201), (3339, 6045), (3445, 5859), (3627, 5565), (4095, 4929), (4185, 4823)]