17420860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9787}}^1$

素因数の和:9885

約数の個数: 24

約数和(自身を含む): 36998640

約数和(自身を除く): 19577780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 9787, 19574, 39148, 48935, 97870, 195740, 871043, 1742086, 3484172, 4355215, 8710430, 17420860]

約数ペア:

[(1, 17420860), (2, 8710430), (4, 4355215), (5, 3484172), (10, 1742086), (20, 871043), (89, 195740), (178, 97870), (356, 48935), (445, 39148), (890, 19574), (1780, 9787)]