20476144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98443}}^1$

素因数の和:98464

約数の個数: 20

約数和(自身を含む): 42724696

約数和(自身を除く): 22248552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98443, 196886, 393772, 787544, 1279759, 1575088, 2559518, 5119036, 10238072, 20476144]

約数ペア:

[(1, 20476144), (2, 10238072), (4, 5119036), (8, 2559518), (13, 1575088), (16, 1279759), (26, 787544), (52, 393772), (104, 196886), (208, 98443)]