20486500

素因数分解:

$2^2\times 5^3\times {\mathrm{40973}}^1$

素因数の和:40992

約数の個数: 24

約数和(自身を含む): 44743608

約数和(自身を除く): 24257108

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40973, 81946, 163892, 204865, 409730, 819460, 1024325, 2048650, 4097300, 5121625, 10243250, 20486500]

約数ペア:

[(1, 20486500), (2, 10243250), (4, 5121625), (5, 4097300), (10, 2048650), (20, 1024325), (25, 819460), (50, 409730), (100, 204865), (125, 163892), (250, 81946), (500, 40973)]