20911937928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{14591}}^1$

素因数の和:15075

約数の個数: 128

約数和(自身を含む): 63037440000

約数和(自身を除く): 42125502072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 449, 456, 532, 798, 898, 1064, 1347, 1596, 1796, 2694, 3143, 3192, 3592, 5388, 6286, 8531, 9429, 10776, 12572, 14591, 17062, 18858, 25144, 25593, 29182, 34124, 37716, 43773, 51186, 58364, 59717, 68248, 75432, 87546, 102137, 102372, 116728, 119434, 175092, 179151, 204274, 204744, 238868, 277229, 306411, 350184, 358302, 408548, 477736, 554458, 612822, 716604, 817096, 831687, 1108916, 1225644, 1433208, 1663374, 1940603, 2217832, 2451288, 3326748, 3881206, 5821809, 6551359, 6653496, 7762412, 11643618, 13102718, 15524824, 19654077, 23287236, 26205436, 39308154, 45859513, 46574472, 52410872, 78616308, 91719026, 124475821, 137578539, 157232616, 183438052, 248951642, 275157078, 366876104, 373427463, 497903284, 550314156, 746854926, 871330747, 995806568, 1100628312, 1493709852, 1742661494, 2613992241, 2987419704, 3485322988, 5227984482, 6970645976, 10455968964, 20911937928]

約数ペア:

[(1, 20911937928), (2, 10455968964), (3, 6970645976), (4, 5227984482), (6, 3485322988), (7, 2987419704), (8, 2613992241), (12, 1742661494), (14, 1493709852), (19, 1100628312), (21, 995806568), (24, 871330747), (28, 746854926), (38, 550314156), (42, 497903284), (56, 373427463), (57, 366876104), (76, 275157078), (84, 248951642), (114, 183438052), (133, 157232616), (152, 137578539), (168, 124475821), (228, 91719026), (266, 78616308), (399, 52410872), (449, 46574472), (456, 45859513), (532, 39308154), (798, 26205436), (898, 23287236), (1064, 19654077), (1347, 15524824), (1596, 13102718), (1796, 11643618), (2694, 7762412), (3143, 6653496), (3192, 6551359), (3592, 5821809), (5388, 3881206), (6286, 3326748), (8531, 2451288), (9429, 2217832), (10776, 1940603), (12572, 1663374), (14591, 1433208), (17062, 1225644), (18858, 1108916), (25144, 831687), (25593, 817096), (29182, 716604), (34124, 612822), (37716, 554458), (43773, 477736), (51186, 408548), (58364, 358302), (59717, 350184), (68248, 306411), (75432, 277229), (87546, 238868), (102137, 204744), (102372, 204274), (116728, 179151), (119434, 175092)]