20184989454

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{8053}}^1$

素因数の和:8439

約数の個数: 128

約数和(自身を含む): 54122880000

約数和(自身を除く): 33937890546

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 349, 378, 399, 513, 698, 798, 1026, 1047, 1197, 2094, 2394, 2443, 3141, 3591, 4886, 6282, 6631, 7182, 7329, 8053, 9423, 13262, 14658, 16106, 18846, 19893, 21987, 24159, 39786, 43974, 46417, 48318, 56371, 59679, 65961, 72477, 92834, 112742, 119358, 131922, 139251, 144954, 153007, 169113, 179037, 217431, 278502, 306014, 338226, 358074, 417753, 434862, 459021, 507339, 835506, 918042, 1014678, 1071049, 1253259, 1377063, 1522017, 2142098, 2506518, 2754126, 2810497, 3044034, 3213147, 4131189, 5620994, 6426294, 8262378, 8431491, 9639441, 16862982, 19278882, 19673479, 25294473, 28918323, 39346958, 50588946, 53399443, 57836646, 59020437, 75883419, 106798886, 118040874, 151766838, 160198329, 177061311, 320396658, 354122622, 373796101, 480594987, 531183933, 747592202, 961189974, 1062367866, 1121388303, 1441784961, 2242776606, 2883569922, 3364164909, 6728329818, 10092494727, 20184989454]

約数ペア:

[(1, 20184989454), (2, 10092494727), (3, 6728329818), (6, 3364164909), (7, 2883569922), (9, 2242776606), (14, 1441784961), (18, 1121388303), (19, 1062367866), (21, 961189974), (27, 747592202), (38, 531183933), (42, 480594987), (54, 373796101), (57, 354122622), (63, 320396658), (114, 177061311), (126, 160198329), (133, 151766838), (171, 118040874), (189, 106798886), (266, 75883419), (342, 59020437), (349, 57836646), (378, 53399443), (399, 50588946), (513, 39346958), (698, 28918323), (798, 25294473), (1026, 19673479), (1047, 19278882), (1197, 16862982), (2094, 9639441), (2394, 8431491), (2443, 8262378), (3141, 6426294), (3591, 5620994), (4886, 4131189), (6282, 3213147), (6631, 3044034), (7182, 2810497), (7329, 2754126), (8053, 2506518), (9423, 2142098), (13262, 1522017), (14658, 1377063), (16106, 1253259), (18846, 1071049), (19893, 1014678), (21987, 918042), (24159, 835506), (39786, 507339), (43974, 459021), (46417, 434862), (48318, 417753), (56371, 358074), (59679, 338226), (65961, 306014), (72477, 278502), (92834, 217431), (112742, 179037), (119358, 169113), (131922, 153007), (139251, 144954)]