20803232

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 43045632

約数和(自身を除く): 22242400

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 67, 124, 134, 248, 268, 313, 496, 536, 626, 992, 1072, 1252, 2077, 2144, 2504, 4154, 5008, 8308, 9703, 10016, 16616, 19406, 20971, 33232, 38812, 41942, 66464, 77624, 83884, 155248, 167768, 310496, 335536, 650101, 671072, 1300202, 2600404, 5200808, 10401616, 20803232]

約数ペア:

[(1, 20803232), (2, 10401616), (4, 5200808), (8, 2600404), (16, 1300202), (31, 671072), (32, 650101), (62, 335536), (67, 310496), (124, 167768), (134, 155248), (248, 83884), (268, 77624), (313, 66464), (496, 41942), (536, 38812), (626, 33232), (992, 20971), (1072, 19406), (1252, 16616), (2077, 10016), (2144, 9703), (2504, 8308), (4154, 5008)]