20530190

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55487}}^1$

素因数の和:55531

約数の個数: 16

約数和(自身を含む): 37953792

約数和(自身を除く): 17423602

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 55487, 110974, 277435, 554870, 2053019, 4106038, 10265095, 20530190]

約数ペア:

[(1, 20530190), (2, 10265095), (5, 4106038), (10, 2053019), (37, 554870), (74, 277435), (185, 110974), (370, 55487)]