20122010847

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{337}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 32258990400

約数和(自身を除く): 12136979553

約数列:

[1, 3, 9, 27, 29, 37, 81, 87, 111, 229, 243, 261, 333, 337, 687, 783, 999, 1011, 1073, 2061, 2349, 2997, 3033, 3219, 6183, 6641, 7047, 8473, 8991, 9099, 9657, 9773, 12469, 18549, 19923, 25419, 27297, 28971, 29319, 37407, 55647, 59769, 76257, 77173, 81891, 86913, 87957, 112221, 179307, 228771, 231519, 245717, 260739, 263871, 336663, 361601, 537921, 686313, 694557, 737151, 791613, 1009989, 1084803, 1613763, 2058939, 2083671, 2211453, 2238017, 2374839, 2855401, 3029967, 3254409, 6251013, 6634359, 6714051, 8566203, 9763227, 18753039, 19903077, 20142153, 25698609, 29289681, 59709231, 60426459, 77095827, 82806629, 87869043, 181279377, 231287481, 248419887, 543838131, 693862443, 745259661, 2235778983, 6707336949, 20122010847]

約数ペア:

[(1, 20122010847), (3, 6707336949), (9, 2235778983), (27, 745259661), (29, 693862443), (37, 543838131), (81, 248419887), (87, 231287481), (111, 181279377), (229, 87869043), (243, 82806629), (261, 77095827), (333, 60426459), (337, 59709231), (687, 29289681), (783, 25698609), (999, 20142153), (1011, 19903077), (1073, 18753039), (2061, 9763227), (2349, 8566203), (2997, 6714051), (3033, 6634359), (3219, 6251013), (6183, 3254409), (6641, 3029967), (7047, 2855401), (8473, 2374839), (8991, 2238017), (9099, 2211453), (9657, 2083671), (9773, 2058939), (12469, 1613763), (18549, 1084803), (19923, 1009989), (25419, 791613), (27297, 737151), (28971, 694557), (29319, 686313), (37407, 537921), (55647, 361601), (59769, 336663), (76257, 263871), (77173, 260739), (81891, 245717), (86913, 231519), (87957, 228771), (112221, 179307)]