20172623779

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 27661616640

約数和(自身を除く): 7488992861

約数列:

[1, 7, 11, 19, 53, 67, 77, 121, 133, 209, 353, 371, 469, 583, 737, 847, 1007, 1273, 1463, 2299, 2471, 3551, 3883, 4081, 5159, 6413, 6707, 7049, 8107, 8911, 11077, 14003, 16093, 18709, 23651, 24857, 27181, 39061, 42713, 44891, 46949, 56749, 67469, 73777, 77539, 98021, 121847, 130963, 154033, 165557, 205799, 260161, 273427, 298991, 355471, 429671, 449369, 472283, 516439, 742159, 811547, 852929, 1078231, 1253503, 1440593, 1821127, 2263789, 2488297, 2861771, 3007697, 3145583, 3910181, 4943059, 5195113, 5680829, 8163749, 8774521, 13788533, 15846523, 20032397, 23816557, 27371267, 34601413, 43011991, 54373649, 57146243, 96519731, 151673863, 166715899, 261982127, 301083937, 380615543, 1061717041, 1833874889, 2881803397, 20172623779]

約数ペア:

[(1, 20172623779), (7, 2881803397), (11, 1833874889), (19, 1061717041), (53, 380615543), (67, 301083937), (77, 261982127), (121, 166715899), (133, 151673863), (209, 96519731), (353, 57146243), (371, 54373649), (469, 43011991), (583, 34601413), (737, 27371267), (847, 23816557), (1007, 20032397), (1273, 15846523), (1463, 13788533), (2299, 8774521), (2471, 8163749), (3551, 5680829), (3883, 5195113), (4081, 4943059), (5159, 3910181), (6413, 3145583), (6707, 3007697), (7049, 2861771), (8107, 2488297), (8911, 2263789), (11077, 1821127), (14003, 1440593), (16093, 1253503), (18709, 1078231), (23651, 852929), (24857, 811547), (27181, 742159), (39061, 516439), (42713, 472283), (44891, 449369), (46949, 429671), (56749, 355471), (67469, 298991), (73777, 273427), (77539, 260161), (98021, 205799), (121847, 165557), (130963, 154033)]