20512115885835

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{503}}^1\times {\mathrm{117797}}^1$

素因数の和:118482

約数の個数: 144

約数和(自身を含む): 41705660033856

約数和(自身を除く): 21193544148021

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 157, 245, 315, 441, 471, 503, 735, 785, 1099, 1413, 1509, 2205, 2355, 2515, 3297, 3521, 4527, 5495, 7065, 7545, 7693, 9891, 10563, 16485, 17605, 22635, 23079, 24647, 31689, 38465, 49455, 52815, 69237, 73941, 78971, 115395, 117797, 123235, 158445, 221823, 236913, 346185, 353391, 369705, 394855, 552797, 588985, 710739, 824579, 1060173, 1109115, 1184565, 1658391, 1766955, 2473737, 2763985, 3553695, 3869579, 4122895, 4975173, 5300865, 5772053, 7421211, 8291955, 11608737, 12368685, 17316159, 18494129, 19347895, 24875865, 28860265, 34826211, 37106055, 51948477, 55482387, 58043685, 59251891, 86580795, 92470645, 129458903, 166447161, 174131055, 177755673, 259742385, 277411935, 296259455, 388376709, 414763237, 533267019, 647294515, 832235805, 888778365, 906212321, 1165130127, 1244289711, 1941883545, 2073816185, 2666335095, 2718636963, 2903342659, 3732869133, 4531061605, 5825650635, 6221448555, 8155910889, 8710027977, 9302546887, 13593184815, 14516713295, 18664345665, 26130083931, 27907640661, 40779554445, 43550139885, 46512734435, 65117828209, 83722921983, 130650419655, 139538203305, 195353484627, 325589141045, 418614609915, 455824797463, 586060453881, 976767423135, 1367474392389, 2279123987315, 2930302269405, 4102423177167, 6837371961945, 20512115885835]

約数ペア:

[(1, 20512115885835), (3, 6837371961945), (5, 4102423177167), (7, 2930302269405), (9, 2279123987315), (15, 1367474392389), (21, 976767423135), (35, 586060453881), (45, 455824797463), (49, 418614609915), (63, 325589141045), (105, 195353484627), (147, 139538203305), (157, 130650419655), (245, 83722921983), (315, 65117828209), (441, 46512734435), (471, 43550139885), (503, 40779554445), (735, 27907640661), (785, 26130083931), (1099, 18664345665), (1413, 14516713295), (1509, 13593184815), (2205, 9302546887), (2355, 8710027977), (2515, 8155910889), (3297, 6221448555), (3521, 5825650635), (4527, 4531061605), (5495, 3732869133), (7065, 2903342659), (7545, 2718636963), (7693, 2666335095), (9891, 2073816185), (10563, 1941883545), (16485, 1244289711), (17605, 1165130127), (22635, 906212321), (23079, 888778365), (24647, 832235805), (31689, 647294515), (38465, 533267019), (49455, 414763237), (52815, 388376709), (69237, 296259455), (73941, 277411935), (78971, 259742385), (115395, 177755673), (117797, 174131055), (123235, 166447161), (158445, 129458903), (221823, 92470645), (236913, 86580795), (346185, 59251891), (353391, 58043685), (369705, 55482387), (394855, 51948477), (552797, 37106055), (588985, 34826211), (710739, 28860265), (824579, 24875865), (1060173, 19347895), (1109115, 18494129), (1184565, 17316159), (1658391, 12368685), (1766955, 11608737), (2473737, 8291955), (2763985, 7421211), (3553695, 5772053), (3869579, 5300865), (4122895, 4975173)]