20156987196

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1\times {\mathrm{751}}^1$

素因数の和:1384

約数の個数: 144

約数和(自身を含む): 54001059840

約数和(自身を除く): 33844072644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 47, 58, 87, 94, 116, 141, 174, 188, 261, 282, 348, 423, 522, 547, 564, 751, 846, 1044, 1094, 1363, 1502, 1641, 1692, 2188, 2253, 2726, 3004, 3282, 4089, 4506, 4923, 5452, 6564, 6759, 8178, 9012, 9846, 12267, 13518, 15863, 16356, 19692, 21779, 24534, 25709, 27036, 31726, 35297, 43558, 47589, 49068, 51418, 63452, 65337, 70594, 77127, 87116, 95178, 102836, 105891, 130674, 141188, 142767, 154254, 190356, 196011, 211782, 231381, 261348, 285534, 308508, 317673, 392022, 410797, 423564, 462762, 571068, 635346, 745561, 784044, 821594, 925524, 1023613, 1232391, 1270692, 1491122, 1643188, 2047226, 2236683, 2464782, 2982244, 3070839, 3697173, 4094452, 4473366, 4929564, 6141678, 6710049, 7394346, 8946732, 9212517, 11913113, 12283356, 13420098, 14788692, 18425034, 19307459, 23826226, 26840196, 35739339, 36850068, 38614918, 47652452, 57922377, 71478678, 77229836, 107218017, 115844754, 142957356, 173767131, 214436034, 231689508, 347534262, 428872068, 559916311, 695068524, 1119832622, 1679748933, 2239665244, 3359497866, 5039246799, 6718995732, 10078493598, 20156987196]

約数ペア:

[(1, 20156987196), (2, 10078493598), (3, 6718995732), (4, 5039246799), (6, 3359497866), (9, 2239665244), (12, 1679748933), (18, 1119832622), (29, 695068524), (36, 559916311), (47, 428872068), (58, 347534262), (87, 231689508), (94, 214436034), (116, 173767131), (141, 142957356), (174, 115844754), (188, 107218017), (261, 77229836), (282, 71478678), (348, 57922377), (423, 47652452), (522, 38614918), (547, 36850068), (564, 35739339), (751, 26840196), (846, 23826226), (1044, 19307459), (1094, 18425034), (1363, 14788692), (1502, 13420098), (1641, 12283356), (1692, 11913113), (2188, 9212517), (2253, 8946732), (2726, 7394346), (3004, 6710049), (3282, 6141678), (4089, 4929564), (4506, 4473366), (4923, 4094452), (5452, 3697173), (6564, 3070839), (6759, 2982244), (8178, 2464782), (9012, 2236683), (9846, 2047226), (12267, 1643188), (13518, 1491122), (15863, 1270692), (16356, 1232391), (19692, 1023613), (21779, 925524), (24534, 821594), (25709, 784044), (27036, 745561), (31726, 635346), (35297, 571068), (43558, 462762), (47589, 423564), (49068, 410797), (51418, 392022), (63452, 317673), (65337, 308508), (70594, 285534), (77127, 261348), (87116, 231381), (95178, 211782), (102836, 196011), (105891, 190356), (130674, 154254), (141188, 142767)]