20999200572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{3929}}^1$

素因数の和:4240

約数の個数: 144

約数和(自身を含む): 61523804160

約数和(自身を除く): 40524603588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 167, 252, 254, 334, 381, 501, 508, 668, 762, 889, 1002, 1143, 1169, 1503, 1524, 1778, 2004, 2286, 2338, 2667, 3006, 3507, 3556, 3929, 4572, 4676, 5334, 6012, 7014, 7858, 8001, 10521, 10668, 11787, 14028, 15716, 16002, 21042, 21209, 23574, 27503, 32004, 35361, 42084, 42418, 47148, 55006, 63627, 70722, 82509, 84836, 110012, 127254, 141444, 148463, 165018, 190881, 247527, 254508, 296926, 330036, 381762, 445389, 495054, 498983, 593852, 656143, 763524, 890778, 990108, 997966, 1312286, 1336167, 1496949, 1781556, 1968429, 1995932, 2624572, 2672334, 2993898, 3492881, 3936858, 4490847, 4593001, 5344668, 5905287, 5987796, 6985762, 7873716, 8981694, 9186002, 10478643, 11810574, 13779003, 13971524, 17963388, 18372004, 20957286, 23621148, 27558006, 31435929, 41337009, 41914572, 55116012, 62871858, 82674018, 83330161, 125743716, 165348036, 166660322, 249990483, 333320644, 499980966, 583311127, 749971449, 999961932, 1166622254, 1499942898, 1749933381, 2333244508, 2999885796, 3499866762, 5249800143, 6999733524, 10499600286, 20999200572]

約数ペア:

[(1, 20999200572), (2, 10499600286), (3, 6999733524), (4, 5249800143), (6, 3499866762), (7, 2999885796), (9, 2333244508), (12, 1749933381), (14, 1499942898), (18, 1166622254), (21, 999961932), (28, 749971449), (36, 583311127), (42, 499980966), (63, 333320644), (84, 249990483), (126, 166660322), (127, 165348036), (167, 125743716), (252, 83330161), (254, 82674018), (334, 62871858), (381, 55116012), (501, 41914572), (508, 41337009), (668, 31435929), (762, 27558006), (889, 23621148), (1002, 20957286), (1143, 18372004), (1169, 17963388), (1503, 13971524), (1524, 13779003), (1778, 11810574), (2004, 10478643), (2286, 9186002), (2338, 8981694), (2667, 7873716), (3006, 6985762), (3507, 5987796), (3556, 5905287), (3929, 5344668), (4572, 4593001), (4676, 4490847), (5334, 3936858), (6012, 3492881), (7014, 2993898), (7858, 2672334), (8001, 2624572), (10521, 1995932), (10668, 1968429), (11787, 1781556), (14028, 1496949), (15716, 1336167), (16002, 1312286), (21042, 997966), (21209, 990108), (23574, 890778), (27503, 763524), (32004, 656143), (35361, 593852), (42084, 498983), (42418, 495054), (47148, 445389), (55006, 381762), (63627, 330036), (70722, 296926), (82509, 254508), (84836, 247527), (110012, 190881), (127254, 165018), (141444, 148463)]