20502070

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55411}}^1$

素因数の和:55455

約数の個数: 16

約数和(自身を含む): 37901808

約数和(自身を除く): 17399738

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 55411, 110822, 277055, 554110, 2050207, 4100414, 10251035, 20502070]

約数ペア:

[(1, 20502070), (2, 10251035), (5, 4100414), (10, 2050207), (37, 554110), (74, 277055), (185, 110822), (370, 55411)]