20115984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 65710080

約数和(自身を除く): 45594096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 23, 24, 28, 38, 42, 46, 48, 56, 57, 69, 76, 84, 92, 112, 114, 133, 137, 138, 152, 161, 168, 184, 228, 266, 274, 276, 304, 322, 336, 368, 399, 411, 437, 456, 483, 532, 548, 552, 644, 798, 822, 874, 912, 959, 966, 1064, 1096, 1104, 1288, 1311, 1596, 1644, 1748, 1918, 1932, 2128, 2192, 2576, 2603, 2622, 2877, 3059, 3151, 3192, 3288, 3496, 3836, 3864, 5206, 5244, 5754, 6118, 6302, 6384, 6576, 6992, 7672, 7728, 7809, 9177, 9453, 10412, 10488, 11508, 12236, 12604, 15344, 15618, 18221, 18354, 18906, 20824, 20976, 22057, 23016, 24472, 25208, 31236, 36442, 36708, 37812, 41648, 44114, 46032, 48944, 50416, 54663, 59869, 62472, 66171, 72884, 73416, 75624, 88228, 109326, 119738, 124944, 132342, 145768, 146832, 151248, 176456, 179607, 218652, 239476, 264684, 291536, 352912, 359214, 419083, 437304, 478952, 529368, 718428, 838166, 874608, 957904, 1058736, 1257249, 1436856, 1676332, 2514498, 2873712, 3352664, 5028996, 6705328, 10057992, 20115984]

約数ペア:

[(1, 20115984), (2, 10057992), (3, 6705328), (4, 5028996), (6, 3352664), (7, 2873712), (8, 2514498), (12, 1676332), (14, 1436856), (16, 1257249), (19, 1058736), (21, 957904), (23, 874608), (24, 838166), (28, 718428), (38, 529368), (42, 478952), (46, 437304), (48, 419083), (56, 359214), (57, 352912), (69, 291536), (76, 264684), (84, 239476), (92, 218652), (112, 179607), (114, 176456), (133, 151248), (137, 146832), (138, 145768), (152, 132342), (161, 124944), (168, 119738), (184, 109326), (228, 88228), (266, 75624), (274, 73416), (276, 72884), (304, 66171), (322, 62472), (336, 59869), (368, 54663), (399, 50416), (411, 48944), (437, 46032), (456, 44114), (483, 41648), (532, 37812), (548, 36708), (552, 36442), (644, 31236), (798, 25208), (822, 24472), (874, 23016), (912, 22057), (959, 20976), (966, 20824), (1064, 18906), (1096, 18354), (1104, 18221), (1288, 15618), (1311, 15344), (1596, 12604), (1644, 12236), (1748, 11508), (1918, 10488), (1932, 10412), (2128, 9453), (2192, 9177), (2576, 7809), (2603, 7728), (2622, 7672), (2877, 6992), (3059, 6576), (3151, 6384), (3192, 6302), (3288, 6118), (3496, 5754), (3836, 5244), (3864, 5206)]