20892745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 26673408

約数和(自身を除く): 5780663

約数列:

[1, 5, 17, 85, 271, 907, 1355, 4535, 4607, 15419, 23035, 77095, 245797, 1228985, 4178549, 20892745]

約数ペア:

[(1, 20892745), (5, 4178549), (17, 1228985), (85, 245797), (271, 77095), (907, 23035), (1355, 15419), (4535, 4607)]