20046992

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2607

約数の個数: 40

約数和(自身を含む): 45032832

約数和(自身を除く): 24985840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2521, 3976, 5042, 7952, 10084, 17647, 20168, 35294, 40336, 70588, 141176, 178991, 282352, 357982, 715964, 1252937, 1431928, 2505874, 2863856, 5011748, 10023496, 20046992]

約数ペア:

[(1, 20046992), (2, 10023496), (4, 5011748), (7, 2863856), (8, 2505874), (14, 1431928), (16, 1252937), (28, 715964), (56, 357982), (71, 282352), (112, 178991), (142, 141176), (284, 70588), (497, 40336), (568, 35294), (994, 20168), (1136, 17647), (1988, 10084), (2521, 7952), (3976, 5042)]