20472246

素因数分解:

$2^1\times 3^2\times {\mathrm{947}}^1\times {\mathrm{1201}}^1$

素因数の和:2156

約数の個数: 24

約数和(自身を含む): 44440344

約数和(自身を除く): 23968098

約数列:

[1, 2, 3, 6, 9, 18, 947, 1201, 1894, 2402, 2841, 3603, 5682, 7206, 8523, 10809, 17046, 21618, 1137347, 2274694, 3412041, 6824082, 10236123, 20472246]

約数ペア:

[(1, 20472246), (2, 10236123), (3, 6824082), (6, 3412041), (9, 2274694), (18, 1137347), (947, 21618), (1201, 17046), (1894, 10809), (2402, 8523), (2841, 7206), (3603, 5682)]