20608848

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 63303240

約数和(自身を除く): 42694392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 101, 104, 109, 117, 144, 156, 202, 208, 218, 234, 303, 312, 327, 404, 436, 468, 606, 624, 654, 808, 872, 909, 936, 981, 1212, 1308, 1313, 1417, 1616, 1744, 1818, 1872, 1962, 2424, 2616, 2626, 2834, 3636, 3924, 3939, 4251, 4848, 5232, 5252, 5668, 7272, 7848, 7878, 8502, 10504, 11009, 11336, 11817, 12753, 14544, 15696, 15756, 17004, 21008, 22018, 22672, 23634, 25506, 31512, 33027, 34008, 44036, 47268, 51012, 63024, 66054, 68016, 88072, 94536, 99081, 102024, 132108, 143117, 176144, 189072, 198162, 204048, 264216, 286234, 396324, 429351, 528432, 572468, 792648, 858702, 1144936, 1288053, 1585296, 1717404, 2289872, 2576106, 3434808, 5152212, 6869616, 10304424, 20608848]

約数ペア:

[(1, 20608848), (2, 10304424), (3, 6869616), (4, 5152212), (6, 3434808), (8, 2576106), (9, 2289872), (12, 1717404), (13, 1585296), (16, 1288053), (18, 1144936), (24, 858702), (26, 792648), (36, 572468), (39, 528432), (48, 429351), (52, 396324), (72, 286234), (78, 264216), (101, 204048), (104, 198162), (109, 189072), (117, 176144), (144, 143117), (156, 132108), (202, 102024), (208, 99081), (218, 94536), (234, 88072), (303, 68016), (312, 66054), (327, 63024), (404, 51012), (436, 47268), (468, 44036), (606, 34008), (624, 33027), (654, 31512), (808, 25506), (872, 23634), (909, 22672), (936, 22018), (981, 21008), (1212, 17004), (1308, 15756), (1313, 15696), (1417, 14544), (1616, 12753), (1744, 11817), (1818, 11336), (1872, 11009), (1962, 10504), (2424, 8502), (2616, 7878), (2626, 7848), (2834, 7272), (3636, 5668), (3924, 5252), (3939, 5232), (4251, 4848)]