20512606725

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137507}}^1$

素因数の和:137556

約数の個数: 96

約数和(自身を含む): 42968499840

約数和(自身を除く): 22455893115

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 65, 75, 85, 117, 135, 153, 195, 221, 225, 255, 325, 351, 425, 459, 585, 663, 675, 765, 975, 1105, 1275, 1755, 1989, 2295, 2925, 3315, 3825, 5525, 5967, 8775, 9945, 11475, 16575, 29835, 49725, 137507, 149175, 412521, 687535, 1237563, 1787591, 2062605, 2337619, 3437675, 3712689, 5362773, 6187815, 7012857, 8937955, 10313025, 11688095, 16088319, 18563445, 21038571, 26813865, 30389047, 30939075, 35064285, 44689775, 48264957, 58440475, 63115713, 80441595, 91167141, 92817225, 105192855, 134069325, 151945235, 175321425, 241324785, 273501423, 315578565, 402207975, 455835705, 525964275, 759726175, 820504269, 1206623925, 1367507115, 1577892825, 2279178525, 4102521345, 6837535575, 20512606725]

約数ペア:

[(1, 20512606725), (3, 6837535575), (5, 4102521345), (9, 2279178525), (13, 1577892825), (15, 1367507115), (17, 1206623925), (25, 820504269), (27, 759726175), (39, 525964275), (45, 455835705), (51, 402207975), (65, 315578565), (75, 273501423), (85, 241324785), (117, 175321425), (135, 151945235), (153, 134069325), (195, 105192855), (221, 92817225), (225, 91167141), (255, 80441595), (325, 63115713), (351, 58440475), (425, 48264957), (459, 44689775), (585, 35064285), (663, 30939075), (675, 30389047), (765, 26813865), (975, 21038571), (1105, 18563445), (1275, 16088319), (1755, 11688095), (1989, 10313025), (2295, 8937955), (2925, 7012857), (3315, 6187815), (3825, 5362773), (5525, 3712689), (5967, 3437675), (8775, 2337619), (9945, 2062605), (11475, 1787591), (16575, 1237563), (29835, 687535), (49725, 412521), (137507, 149175)]