20921804249476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2693}}^1\times {\mathrm{70573}}^1$

素因数の和:73385

約数の個数: 96

約数和(自身を含む): 41363890011360

約数和(自身を除く): 20442085761884

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 73, 116, 146, 292, 377, 754, 949, 1508, 1898, 2117, 2693, 3796, 4234, 5386, 8468, 10772, 27521, 35009, 55042, 70018, 70573, 78097, 110084, 140036, 141146, 156194, 196589, 282292, 312388, 393178, 786356, 917449, 1015261, 1834898, 2030522, 2046617, 2555657, 3669796, 4061044, 4093234, 5111314, 5151829, 5701081, 8186468, 10222628, 10303658, 11402162, 20607316, 22804324, 26606021, 53212042, 66973777, 74114053, 106424084, 133947554, 148228106, 149403041, 190053089, 267895108, 296456212, 298806082, 380106178, 597612164, 760212356, 1942239533, 2470690157, 3884479066, 4941380314, 5511539581, 7768958132, 9882760628, 11023079162, 13873875497, 22046158324, 27747750994, 55495501988, 71650014553, 143300029106, 180360381461, 286600058212, 360720762922, 402342389413, 721441525844, 804684778826, 1609369557652, 5230451062369, 10460902124738, 20921804249476]

約数ペア:

[(1, 20921804249476), (2, 10460902124738), (4, 5230451062369), (13, 1609369557652), (26, 804684778826), (29, 721441525844), (52, 402342389413), (58, 360720762922), (73, 286600058212), (116, 180360381461), (146, 143300029106), (292, 71650014553), (377, 55495501988), (754, 27747750994), (949, 22046158324), (1508, 13873875497), (1898, 11023079162), (2117, 9882760628), (2693, 7768958132), (3796, 5511539581), (4234, 4941380314), (5386, 3884479066), (8468, 2470690157), (10772, 1942239533), (27521, 760212356), (35009, 597612164), (55042, 380106178), (70018, 298806082), (70573, 296456212), (78097, 267895108), (110084, 190053089), (140036, 149403041), (141146, 148228106), (156194, 133947554), (196589, 106424084), (282292, 74114053), (312388, 66973777), (393178, 53212042), (786356, 26606021), (917449, 22804324), (1015261, 20607316), (1834898, 11402162), (2030522, 10303658), (2046617, 10222628), (2555657, 8186468), (3669796, 5701081), (4061044, 5151829), (4093234, 5111314)]