20165594925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{4493}}^1$

素因数の和:4699

約数の個数: 96

約数和(自身を含む): 38945507328

約数和(自身を除く): 18779912403

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 103, 105, 175, 249, 309, 415, 515, 525, 581, 721, 1245, 1545, 1743, 2075, 2163, 2575, 2905, 3605, 4493, 6225, 7725, 8549, 8715, 10815, 13479, 14525, 18025, 22465, 25647, 31451, 42745, 43575, 54075, 59843, 67395, 94353, 112325, 128235, 157255, 179529, 213725, 299215, 336975, 372919, 462779, 471765, 641175, 786275, 897645, 1118757, 1388337, 1496075, 1864595, 2313895, 2358825, 2610433, 3239453, 4488225, 5593785, 6941685, 7831299, 9322975, 9718359, 11569475, 13052165, 16197265, 27968925, 34708425, 38410657, 39156495, 48591795, 65260825, 80986325, 115231971, 192053285, 195782475, 242958975, 268874599, 576159855, 806623797, 960266425, 1344372995, 2880799275, 4033118985, 6721864975, 20165594925]

約数ペア:

[(1, 20165594925), (3, 6721864975), (5, 4033118985), (7, 2880799275), (15, 1344372995), (21, 960266425), (25, 806623797), (35, 576159855), (75, 268874599), (83, 242958975), (103, 195782475), (105, 192053285), (175, 115231971), (249, 80986325), (309, 65260825), (415, 48591795), (515, 39156495), (525, 38410657), (581, 34708425), (721, 27968925), (1245, 16197265), (1545, 13052165), (1743, 11569475), (2075, 9718359), (2163, 9322975), (2575, 7831299), (2905, 6941685), (3605, 5593785), (4493, 4488225), (6225, 3239453), (7725, 2610433), (8549, 2358825), (8715, 2313895), (10815, 1864595), (13479, 1496075), (14525, 1388337), (18025, 1118757), (22465, 897645), (25647, 786275), (31451, 641175), (42745, 471765), (43575, 462779), (54075, 372919), (59843, 336975), (67395, 299215), (94353, 213725), (112325, 179529), (128235, 157255)]