20006521720

素因数分解:

$2^3\times 5^1\times {\mathrm{500163043}}^1$

素因数の和:500163054

約数の個数: 16

約数和(自身を含む): 45014673960

約数和(自身を除く): 25008152240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500163043, 1000326086, 2000652172, 2500815215, 4001304344, 5001630430, 10003260860, 20006521720]

約数ペア:

[(1, 20006521720), (2, 10003260860), (4, 5001630430), (5, 4001304344), (8, 2500815215), (10, 2000652172), (20, 1000326086), (40, 500163043)]