20189042055

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{69439}}^1$

素因数の和:69541

約数の個数: 96

約数和(自身を含む): 43677204480

約数和(自身を除く): 23488162425

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 71, 91, 105, 117, 195, 213, 273, 315, 355, 455, 497, 585, 639, 819, 923, 1065, 1365, 1491, 2485, 2769, 3195, 4095, 4473, 4615, 6461, 7455, 8307, 13845, 19383, 22365, 32305, 41535, 58149, 69439, 96915, 208317, 290745, 347195, 486073, 624951, 902707, 1041585, 1458219, 2430365, 2708121, 3124755, 4374657, 4513535, 4930169, 6318949, 7291095, 8124363, 13540605, 14790507, 18956847, 21873285, 24650845, 31594745, 34511183, 40621815, 44371521, 56870541, 64092197, 73952535, 94784235, 103533549, 172555915, 192276591, 221857605, 284352705, 310600647, 320460985, 448645379, 517667745, 576829773, 961382955, 1345936137, 1553003235, 2243226895, 2884148865, 4037808411, 6729680685, 20189042055]

約数ペア:

[(1, 20189042055), (3, 6729680685), (5, 4037808411), (7, 2884148865), (9, 2243226895), (13, 1553003235), (15, 1345936137), (21, 961382955), (35, 576829773), (39, 517667745), (45, 448645379), (63, 320460985), (65, 310600647), (71, 284352705), (91, 221857605), (105, 192276591), (117, 172555915), (195, 103533549), (213, 94784235), (273, 73952535), (315, 64092197), (355, 56870541), (455, 44371521), (497, 40621815), (585, 34511183), (639, 31594745), (819, 24650845), (923, 21873285), (1065, 18956847), (1365, 14790507), (1491, 13540605), (2485, 8124363), (2769, 7291095), (3195, 6318949), (4095, 4930169), (4473, 4513535), (4615, 4374657), (6461, 3124755), (7455, 2708121), (8307, 2430365), (13845, 1458219), (19383, 1041585), (22365, 902707), (32305, 624951), (41535, 486073), (58149, 347195), (69439, 290745), (96915, 208317)]