20188672

素因数分解:

$2^9\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 47532672

約数和(自身を除く): 27344000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 131, 172, 224, 256, 262, 301, 344, 448, 512, 524, 602, 688, 896, 917, 1048, 1204, 1376, 1792, 1834, 2096, 2408, 2752, 3584, 3668, 4192, 4816, 5504, 5633, 7336, 8384, 9632, 11008, 11266, 14672, 16768, 19264, 22016, 22532, 29344, 33536, 38528, 39431, 45064, 58688, 67072, 77056, 78862, 90128, 117376, 154112, 157724, 180256, 234752, 315448, 360512, 469504, 630896, 721024, 1261792, 1442048, 2523584, 2884096, 5047168, 10094336, 20188672]

約数ペア:

[(1, 20188672), (2, 10094336), (4, 5047168), (7, 2884096), (8, 2523584), (14, 1442048), (16, 1261792), (28, 721024), (32, 630896), (43, 469504), (56, 360512), (64, 315448), (86, 234752), (112, 180256), (128, 157724), (131, 154112), (172, 117376), (224, 90128), (256, 78862), (262, 77056), (301, 67072), (344, 58688), (448, 45064), (512, 39431), (524, 38528), (602, 33536), (688, 29344), (896, 22532), (917, 22016), (1048, 19264), (1204, 16768), (1376, 14672), (1792, 11266), (1834, 11008), (2096, 9632), (2408, 8384), (2752, 7336), (3584, 5633), (3668, 5504), (4192, 4816)]