20201484992

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{347}}^1\times {\mathrm{419}}^1$

素因数の和:958

約数の個数: 112

約数和(自身を含む): 43658576640

約数和(自身を除く): 23457091648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 167, 208, 334, 347, 416, 419, 668, 694, 832, 838, 1336, 1388, 1676, 2171, 2672, 2776, 3352, 4342, 4511, 5344, 5447, 5552, 6704, 8684, 9022, 10688, 10894, 11104, 13408, 17368, 18044, 21788, 22208, 26816, 34736, 36088, 43576, 57949, 69472, 69973, 72176, 87152, 115898, 138944, 139946, 144352, 145393, 174304, 231796, 279892, 288704, 290786, 348608, 463592, 559784, 581572, 753337, 909649, 927184, 1119568, 1163144, 1506674, 1819298, 1854368, 1890109, 2239136, 2326288, 3013348, 3638596, 3708736, 3780218, 4478272, 4652576, 6026696, 7277192, 7560436, 9305152, 12053392, 14554384, 15120872, 24106784, 24280631, 29108768, 30241744, 48213568, 48561262, 58217536, 60483488, 97122524, 120966976, 194245048, 315648203, 388490096, 631296406, 776980192, 1262592812, 1553960384, 2525185624, 5050371248, 10100742496, 20201484992]

約数ペア:

[(1, 20201484992), (2, 10100742496), (4, 5050371248), (8, 2525185624), (13, 1553960384), (16, 1262592812), (26, 776980192), (32, 631296406), (52, 388490096), (64, 315648203), (104, 194245048), (167, 120966976), (208, 97122524), (334, 60483488), (347, 58217536), (416, 48561262), (419, 48213568), (668, 30241744), (694, 29108768), (832, 24280631), (838, 24106784), (1336, 15120872), (1388, 14554384), (1676, 12053392), (2171, 9305152), (2672, 7560436), (2776, 7277192), (3352, 6026696), (4342, 4652576), (4511, 4478272), (5344, 3780218), (5447, 3708736), (5552, 3638596), (6704, 3013348), (8684, 2326288), (9022, 2239136), (10688, 1890109), (10894, 1854368), (11104, 1819298), (13408, 1506674), (17368, 1163144), (18044, 1119568), (21788, 927184), (22208, 909649), (26816, 753337), (34736, 581572), (36088, 559784), (43576, 463592), (57949, 348608), (69472, 290786), (69973, 288704), (72176, 279892), (87152, 231796), (115898, 174304), (138944, 145393), (139946, 144352)]