20113727984

素因数分解:

$2^4\times 7^1\times {\mathrm{4987}}^1\times {\mathrm{36011}}^1$

素因数の和:41013

約数の個数: 40

約数和(自身を含む): 44547708288

約数和(自身を除く): 24433980304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 4987, 9974, 19948, 34909, 36011, 39896, 69818, 72022, 79792, 139636, 144044, 252077, 279272, 288088, 504154, 558544, 576176, 1008308, 2016616, 4033232, 179586857, 359173714, 718347428, 1257107999, 1436694856, 2514215998, 2873389712, 5028431996, 10056863992, 20113727984]

約数ペア:

[(1, 20113727984), (2, 10056863992), (4, 5028431996), (7, 2873389712), (8, 2514215998), (14, 1436694856), (16, 1257107999), (28, 718347428), (56, 359173714), (112, 179586857), (4987, 4033232), (9974, 2016616), (19948, 1008308), (34909, 576176), (36011, 558544), (39896, 504154), (69818, 288088), (72022, 279272), (79792, 252077), (139636, 144044)]