20408965176

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{3181}}^1$

素因数の和:3469

約数の個数: 128

約数和(自身を含む): 54435110400

約数和(自身を除く): 34026145224

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 59, 69, 92, 118, 138, 177, 184, 197, 236, 276, 354, 394, 472, 552, 591, 708, 788, 1182, 1357, 1416, 1576, 2364, 2714, 3181, 4071, 4531, 4728, 5428, 6362, 8142, 9062, 9543, 10856, 11623, 12724, 13593, 16284, 18124, 19086, 23246, 25448, 27186, 32568, 34869, 36248, 38172, 46492, 54372, 69738, 73163, 76344, 92984, 108744, 139476, 146326, 187679, 219489, 267329, 278952, 292652, 375358, 438978, 534658, 563037, 585304, 626657, 750716, 801987, 877956, 1069316, 1126074, 1253314, 1501432, 1603974, 1755912, 1879971, 2138632, 2252148, 2506628, 3207948, 3759942, 4316617, 4504296, 5013256, 6415896, 7519884, 8633234, 12949851, 14413111, 15039768, 17266468, 25899702, 28826222, 34532936, 36972763, 43239333, 51799404, 57652444, 73945526, 86478666, 103598808, 110918289, 115304888, 147891052, 172957332, 221836578, 295782104, 345914664, 443673156, 850373549, 887346312, 1700747098, 2551120647, 3401494196, 5102241294, 6802988392, 10204482588, 20408965176]

約数ペア:

[(1, 20408965176), (2, 10204482588), (3, 6802988392), (4, 5102241294), (6, 3401494196), (8, 2551120647), (12, 1700747098), (23, 887346312), (24, 850373549), (46, 443673156), (59, 345914664), (69, 295782104), (92, 221836578), (118, 172957332), (138, 147891052), (177, 115304888), (184, 110918289), (197, 103598808), (236, 86478666), (276, 73945526), (354, 57652444), (394, 51799404), (472, 43239333), (552, 36972763), (591, 34532936), (708, 28826222), (788, 25899702), (1182, 17266468), (1357, 15039768), (1416, 14413111), (1576, 12949851), (2364, 8633234), (2714, 7519884), (3181, 6415896), (4071, 5013256), (4531, 4504296), (4728, 4316617), (5428, 3759942), (6362, 3207948), (8142, 2506628), (9062, 2252148), (9543, 2138632), (10856, 1879971), (11623, 1755912), (12724, 1603974), (13593, 1501432), (16284, 1253314), (18124, 1126074), (19086, 1069316), (23246, 877956), (25448, 801987), (27186, 750716), (32568, 626657), (34869, 585304), (36248, 563037), (38172, 534658), (46492, 438978), (54372, 375358), (69738, 292652), (73163, 278952), (76344, 267329), (92984, 219489), (108744, 187679), (139476, 146326)]