20565738752

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{1453}}^1\times {\mathrm{4253}}^1$

素因数の和:5735

約数の個数: 72

約数和(自身を含む): 44249750664

約数和(自身を除く): 23684011912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1453, 1664, 2906, 3328, 4253, 5812, 8506, 11624, 17012, 18889, 23248, 34024, 37778, 46496, 55289, 68048, 75556, 92992, 110578, 136096, 151112, 185984, 221156, 272192, 302224, 371968, 442312, 544384, 604448, 884624, 1088768, 1208896, 1769248, 2417792, 3538496, 4835584, 6179609, 7076992, 12359218, 14153984, 24718436, 49436872, 80334917, 98873744, 160669834, 197747488, 321339668, 395494976, 642679336, 790989952, 1285358672, 1581979904, 2570717344, 5141434688, 10282869376, 20565738752]

約数ペア:

[(1, 20565738752), (2, 10282869376), (4, 5141434688), (8, 2570717344), (13, 1581979904), (16, 1285358672), (26, 790989952), (32, 642679336), (52, 395494976), (64, 321339668), (104, 197747488), (128, 160669834), (208, 98873744), (256, 80334917), (416, 49436872), (832, 24718436), (1453, 14153984), (1664, 12359218), (2906, 7076992), (3328, 6179609), (4253, 4835584), (5812, 3538496), (8506, 2417792), (11624, 1769248), (17012, 1208896), (18889, 1088768), (23248, 884624), (34024, 604448), (37778, 544384), (46496, 442312), (55289, 371968), (68048, 302224), (75556, 272192), (92992, 221156), (110578, 185984), (136096, 151112)]