20916576

素因数分解:

$2^5\times 3^3\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 62536320

約数和(自身を除く): 41619744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 86, 96, 108, 129, 144, 172, 216, 258, 288, 344, 387, 432, 516, 563, 688, 774, 864, 1032, 1126, 1161, 1376, 1548, 1689, 2064, 2252, 2322, 3096, 3378, 4128, 4504, 4644, 5067, 6192, 6756, 9008, 9288, 10134, 12384, 13512, 15201, 18016, 18576, 20268, 24209, 27024, 30402, 37152, 40536, 48418, 54048, 60804, 72627, 81072, 96836, 121608, 145254, 162144, 193672, 217881, 243216, 290508, 387344, 435762, 486432, 581016, 653643, 774688, 871524, 1162032, 1307286, 1743048, 2324064, 2614572, 3486096, 5229144, 6972192, 10458288, 20916576]

約数ペア:

[(1, 20916576), (2, 10458288), (3, 6972192), (4, 5229144), (6, 3486096), (8, 2614572), (9, 2324064), (12, 1743048), (16, 1307286), (18, 1162032), (24, 871524), (27, 774688), (32, 653643), (36, 581016), (43, 486432), (48, 435762), (54, 387344), (72, 290508), (86, 243216), (96, 217881), (108, 193672), (129, 162144), (144, 145254), (172, 121608), (216, 96836), (258, 81072), (288, 72627), (344, 60804), (387, 54048), (432, 48418), (516, 40536), (563, 37152), (688, 30402), (774, 27024), (864, 24209), (1032, 20268), (1126, 18576), (1161, 18016), (1376, 15201), (1548, 13512), (1689, 12384), (2064, 10134), (2252, 9288), (2322, 9008), (3096, 6756), (3378, 6192), (4128, 5067), (4504, 4644)]