20957508

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 46780092

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 23, 26, 27, 33, 36, 39, 44, 46, 52, 54, 59, 66, 69, 78, 92, 99, 108, 117, 118, 132, 138, 143, 156, 177, 198, 207, 234, 236, 253, 276, 286, 297, 299, 351, 354, 396, 414, 429, 468, 506, 531, 572, 594, 598, 621, 649, 702, 708, 759, 767, 828, 858, 897, 1012, 1062, 1188, 1196, 1242, 1287, 1298, 1357, 1404, 1518, 1534, 1593, 1716, 1794, 1947, 2124, 2277, 2301, 2484, 2574, 2596, 2691, 2714, 3036, 3068, 3186, 3289, 3588, 3861, 3894, 4071, 4554, 4602, 5148, 5382, 5428, 5841, 6372, 6578, 6831, 6903, 7722, 7788, 8073, 8142, 8437, 9108, 9204, 9867, 10764, 11682, 12213, 13156, 13662, 13806, 14927, 15444, 16146, 16284, 16874, 17523, 17641, 19734, 20709, 23364, 24426, 25311, 27324, 27612, 29601, 29854, 32292, 33748, 35046, 35282, 36639, 39468, 41418, 44781, 48852, 50622, 52923, 59202, 59708, 70092, 70564, 73278, 75933, 82836, 88803, 89562, 101244, 105846, 118404, 134343, 146556, 151866, 158769, 177606, 179124, 194051, 211692, 227799, 268686, 303732, 317538, 355212, 388102, 403029, 455598, 476307, 537372, 582153, 635076, 776204, 806058, 911196, 952614, 1164306, 1612116, 1746459, 1905228, 2328612, 3492918, 5239377, 6985836, 10478754, 20957508]

約数ペア:

[(1, 20957508), (2, 10478754), (3, 6985836), (4, 5239377), (6, 3492918), (9, 2328612), (11, 1905228), (12, 1746459), (13, 1612116), (18, 1164306), (22, 952614), (23, 911196), (26, 806058), (27, 776204), (33, 635076), (36, 582153), (39, 537372), (44, 476307), (46, 455598), (52, 403029), (54, 388102), (59, 355212), (66, 317538), (69, 303732), (78, 268686), (92, 227799), (99, 211692), (108, 194051), (117, 179124), (118, 177606), (132, 158769), (138, 151866), (143, 146556), (156, 134343), (177, 118404), (198, 105846), (207, 101244), (234, 89562), (236, 88803), (253, 82836), (276, 75933), (286, 73278), (297, 70564), (299, 70092), (351, 59708), (354, 59202), (396, 52923), (414, 50622), (429, 48852), (468, 44781), (506, 41418), (531, 39468), (572, 36639), (594, 35282), (598, 35046), (621, 33748), (649, 32292), (702, 29854), (708, 29601), (759, 27612), (767, 27324), (828, 25311), (858, 24426), (897, 23364), (1012, 20709), (1062, 19734), (1188, 17641), (1196, 17523), (1242, 16874), (1287, 16284), (1298, 16146), (1357, 15444), (1404, 14927), (1518, 13806), (1534, 13662), (1593, 13156), (1716, 12213), (1794, 11682), (1947, 10764), (2124, 9867), (2277, 9204), (2301, 9108), (2484, 8437), (2574, 8142), (2596, 8073), (2691, 7788), (2714, 7722), (3036, 6903), (3068, 6831), (3186, 6578), (3289, 6372), (3588, 5841), (3861, 5428), (3894, 5382), (4071, 5148), (4554, 4602)]