20955456

素因数分解:

$2^6\times 3^3\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 112

約数和(自身を含む): 62870080

約数和(自身を除く): 41914624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 67, 72, 96, 108, 134, 144, 181, 192, 201, 216, 268, 288, 362, 402, 432, 536, 543, 576, 603, 724, 804, 864, 1072, 1086, 1206, 1448, 1608, 1629, 1728, 1809, 2144, 2172, 2412, 2896, 3216, 3258, 3618, 4288, 4344, 4824, 4887, 5792, 6432, 6516, 7236, 8688, 9648, 9774, 11584, 12127, 12864, 13032, 14472, 17376, 19296, 19548, 24254, 26064, 28944, 34752, 36381, 38592, 39096, 48508, 52128, 57888, 72762, 78192, 97016, 104256, 109143, 115776, 145524, 156384, 194032, 218286, 291048, 312768, 327429, 388064, 436572, 582096, 654858, 776128, 873144, 1164192, 1309716, 1746288, 2328384, 2619432, 3492576, 5238864, 6985152, 10477728, 20955456]

約数ペア:

[(1, 20955456), (2, 10477728), (3, 6985152), (4, 5238864), (6, 3492576), (8, 2619432), (9, 2328384), (12, 1746288), (16, 1309716), (18, 1164192), (24, 873144), (27, 776128), (32, 654858), (36, 582096), (48, 436572), (54, 388064), (64, 327429), (67, 312768), (72, 291048), (96, 218286), (108, 194032), (134, 156384), (144, 145524), (181, 115776), (192, 109143), (201, 104256), (216, 97016), (268, 78192), (288, 72762), (362, 57888), (402, 52128), (432, 48508), (536, 39096), (543, 38592), (576, 36381), (603, 34752), (724, 28944), (804, 26064), (864, 24254), (1072, 19548), (1086, 19296), (1206, 17376), (1448, 14472), (1608, 13032), (1629, 12864), (1728, 12127), (1809, 11584), (2144, 9774), (2172, 9648), (2412, 8688), (2896, 7236), (3216, 6516), (3258, 6432), (3618, 5792), (4288, 4887), (4344, 4824)]