20536425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 48746880

約数和(自身を除く): 28210455

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 25, 35, 39, 45, 51, 59, 63, 65, 75, 85, 91, 105, 117, 119, 153, 175, 177, 195, 221, 225, 255, 273, 295, 315, 325, 357, 413, 425, 455, 525, 531, 585, 595, 663, 765, 767, 819, 885, 975, 1003, 1071, 1105, 1239, 1275, 1365, 1475, 1547, 1575, 1785, 1989, 2065, 2275, 2301, 2655, 2925, 2975, 3009, 3315, 3717, 3825, 3835, 4095, 4425, 4641, 5015, 5355, 5369, 5525, 6195, 6825, 6903, 7021, 7735, 8925, 9027, 9945, 10325, 11505, 13039, 13275, 13923, 15045, 16107, 16575, 18585, 19175, 20475, 21063, 23205, 25075, 26775, 26845, 30975, 34515, 35105, 38675, 39117, 45135, 48321, 49725, 57525, 63189, 65195, 69615, 75225, 80535, 91273, 92925, 105315, 116025, 117351, 134225, 172575, 175525, 195585, 225675, 241605, 273819, 315945, 325975, 348075, 402675, 456365, 526575, 586755, 821457, 977925, 1208025, 1369095, 1579725, 2281825, 2933775, 4107285, 6845475, 20536425]

約数ペア:

[(1, 20536425), (3, 6845475), (5, 4107285), (7, 2933775), (9, 2281825), (13, 1579725), (15, 1369095), (17, 1208025), (21, 977925), (25, 821457), (35, 586755), (39, 526575), (45, 456365), (51, 402675), (59, 348075), (63, 325975), (65, 315945), (75, 273819), (85, 241605), (91, 225675), (105, 195585), (117, 175525), (119, 172575), (153, 134225), (175, 117351), (177, 116025), (195, 105315), (221, 92925), (225, 91273), (255, 80535), (273, 75225), (295, 69615), (315, 65195), (325, 63189), (357, 57525), (413, 49725), (425, 48321), (455, 45135), (525, 39117), (531, 38675), (585, 35105), (595, 34515), (663, 30975), (765, 26845), (767, 26775), (819, 25075), (885, 23205), (975, 21063), (1003, 20475), (1071, 19175), (1105, 18585), (1239, 16575), (1275, 16107), (1365, 15045), (1475, 13923), (1547, 13275), (1575, 13039), (1785, 11505), (1989, 10325), (2065, 9945), (2275, 9027), (2301, 8925), (2655, 7735), (2925, 7021), (2975, 6903), (3009, 6825), (3315, 6195), (3717, 5525), (3825, 5369), (3835, 5355), (4095, 5015), (4425, 4641)]