20636896

素因数分解:

$2^5\times 7^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 26144384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 181, 224, 362, 509, 724, 1018, 1267, 1448, 2036, 2534, 2896, 3563, 4072, 5068, 5792, 7126, 8144, 10136, 14252, 16288, 20272, 28504, 40544, 57008, 92129, 114016, 184258, 368516, 644903, 737032, 1289806, 1474064, 2579612, 2948128, 5159224, 10318448, 20636896]

約数ペア:

[(1, 20636896), (2, 10318448), (4, 5159224), (7, 2948128), (8, 2579612), (14, 1474064), (16, 1289806), (28, 737032), (32, 644903), (56, 368516), (112, 184258), (181, 114016), (224, 92129), (362, 57008), (509, 40544), (724, 28504), (1018, 20272), (1267, 16288), (1448, 14252), (2036, 10136), (2534, 8144), (2896, 7126), (3563, 5792), (4072, 5068)]