22643380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12721}}^1$

素因数の和:12819

約数の個数: 24

約数和(自身を含む): 48089160

約数和(自身を除く): 25445780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12721, 25442, 50884, 63605, 127210, 254420, 1132169, 2264338, 4528676, 5660845, 11321690, 22643380]

約数ペア:

[(1, 22643380), (2, 11321690), (4, 5660845), (5, 4528676), (10, 2264338), (20, 1132169), (89, 254420), (178, 127210), (356, 63605), (445, 50884), (890, 25442), (1780, 12721)]