20171979527

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3643}}^1$

素因数の和:3796

約数の個数: 64

約数和(自身を含む): 26866483200

約数和(自身を除く): 6694503673

約数列:

[1, 7, 17, 19, 31, 79, 119, 133, 217, 323, 527, 553, 589, 1343, 1501, 2261, 2449, 3643, 3689, 4123, 9401, 10013, 10507, 17143, 25501, 25517, 41633, 46531, 61931, 69217, 70091, 112933, 178619, 287797, 291431, 325717, 433517, 484519, 790531, 791027, 1176689, 1919861, 2014579, 2145727, 4892549, 5468143, 5537189, 8236823, 8921707, 13439027, 15020089, 34247843, 36477359, 38277001, 62451949, 92958431, 151669019, 169512433, 255341513, 650709017, 1061683133, 1186587031, 2881711361, 20171979527]

約数ペア:

[(1, 20171979527), (7, 2881711361), (17, 1186587031), (19, 1061683133), (31, 650709017), (79, 255341513), (119, 169512433), (133, 151669019), (217, 92958431), (323, 62451949), (527, 38277001), (553, 36477359), (589, 34247843), (1343, 15020089), (1501, 13439027), (2261, 8921707), (2449, 8236823), (3643, 5537189), (3689, 5468143), (4123, 4892549), (9401, 2145727), (10013, 2014579), (10507, 1919861), (17143, 1176689), (25501, 791027), (25517, 790531), (41633, 484519), (46531, 433517), (61931, 325717), (69217, 291431), (70091, 287797), (112933, 178619)]