20265710

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{13421}}^1$

素因数の和:13579

約数の個数: 16

約数和(自身を含む): 36722592

約数和(自身を除く): 16456882

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 13421, 26842, 67105, 134210, 2026571, 4053142, 10132855, 20265710]

約数ペア:

[(1, 20265710), (2, 10132855), (5, 4053142), (10, 2026571), (151, 134210), (302, 67105), (755, 26842), (1510, 13421)]