20667947136

素因数分解:

$2^7\times 3^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{4973}}^1$

素因数の和:5206

約数の個数: 128

約数和(自身を含む): 56011219200

約数和(自身を除く): 35343272064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 137, 158, 192, 237, 274, 316, 384, 411, 474, 548, 632, 822, 948, 1096, 1264, 1644, 1896, 2192, 2528, 3288, 3792, 4384, 4973, 5056, 6576, 7584, 8768, 9946, 10112, 10823, 13152, 14919, 15168, 17536, 19892, 21646, 26304, 29838, 30336, 32469, 39784, 43292, 52608, 59676, 64938, 79568, 86584, 119352, 129876, 159136, 173168, 238704, 259752, 318272, 346336, 392867, 477408, 519504, 636544, 681301, 692672, 785734, 954816, 1039008, 1178601, 1362602, 1385344, 1571468, 1909632, 2043903, 2078016, 2357202, 2725204, 3142936, 4087806, 4156032, 4714404, 5450408, 6285872, 8175612, 9428808, 10900816, 12571744, 16351224, 18857616, 21801632, 25143488, 32702448, 37715232, 43603264, 50286976, 53822779, 65404896, 75430464, 87206528, 107645558, 130809792, 150860928, 161468337, 215291116, 261619584, 322936674, 430582232, 645873348, 861164464, 1291746696, 1722328928, 2583493392, 3444657856, 5166986784, 6889315712, 10333973568, 20667947136]

約数ペア:

[(1, 20667947136), (2, 10333973568), (3, 6889315712), (4, 5166986784), (6, 3444657856), (8, 2583493392), (12, 1722328928), (16, 1291746696), (24, 861164464), (32, 645873348), (48, 430582232), (64, 322936674), (79, 261619584), (96, 215291116), (128, 161468337), (137, 150860928), (158, 130809792), (192, 107645558), (237, 87206528), (274, 75430464), (316, 65404896), (384, 53822779), (411, 50286976), (474, 43603264), (548, 37715232), (632, 32702448), (822, 25143488), (948, 21801632), (1096, 18857616), (1264, 16351224), (1644, 12571744), (1896, 10900816), (2192, 9428808), (2528, 8175612), (3288, 6285872), (3792, 5450408), (4384, 4714404), (4973, 4156032), (5056, 4087806), (6576, 3142936), (7584, 2725204), (8768, 2357202), (9946, 2078016), (10112, 2043903), (10823, 1909632), (13152, 1571468), (14919, 1385344), (15168, 1362602), (17536, 1178601), (19892, 1039008), (21646, 954816), (26304, 785734), (29838, 692672), (30336, 681301), (32469, 636544), (39784, 519504), (43292, 477408), (52608, 392867), (59676, 346336), (64938, 318272), (79568, 259752), (86584, 238704), (119352, 173168), (129876, 159136)]