20155344

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 37698096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 59, 66, 88, 118, 132, 176, 177, 236, 264, 354, 472, 528, 647, 649, 708, 944, 1294, 1298, 1416, 1941, 1947, 2588, 2596, 2832, 3882, 3894, 5176, 5192, 7117, 7764, 7788, 10352, 10384, 14234, 15528, 15576, 21351, 28468, 31056, 31152, 38173, 42702, 56936, 76346, 85404, 113872, 114519, 152692, 170808, 229038, 305384, 341616, 419903, 458076, 610768, 839806, 916152, 1259709, 1679612, 1832304, 2519418, 3359224, 5038836, 6718448, 10077672, 20155344]

約数ペア:

[(1, 20155344), (2, 10077672), (3, 6718448), (4, 5038836), (6, 3359224), (8, 2519418), (11, 1832304), (12, 1679612), (16, 1259709), (22, 916152), (24, 839806), (33, 610768), (44, 458076), (48, 419903), (59, 341616), (66, 305384), (88, 229038), (118, 170808), (132, 152692), (176, 114519), (177, 113872), (236, 85404), (264, 76346), (354, 56936), (472, 42702), (528, 38173), (647, 31152), (649, 31056), (708, 28468), (944, 21351), (1294, 15576), (1298, 15528), (1416, 14234), (1941, 10384), (1947, 10352), (2588, 7788), (2596, 7764), (2832, 7117), (3882, 5192), (3894, 5176)]