20239640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9547}}^1$

素因数の和:9611

約数の個数: 32

約数和(自身を含む): 46403280

約数和(自身を除く): 26163640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9547, 19094, 38188, 47735, 76376, 95470, 190940, 381880, 505991, 1011982, 2023964, 2529955, 4047928, 5059910, 10119820, 20239640]

約数ペア:

[(1, 20239640), (2, 10119820), (4, 5059910), (5, 4047928), (8, 2529955), (10, 2023964), (20, 1011982), (40, 505991), (53, 381880), (106, 190940), (212, 95470), (265, 76376), (424, 47735), (530, 38188), (1060, 19094), (2120, 9547)]