20219390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54647}}^1$

素因数の和:54691

約数の個数: 16

約数和(自身を含む): 37379232

約数和(自身を除く): 17159842

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 54647, 109294, 273235, 546470, 2021939, 4043878, 10109695, 20219390]

約数ペア:

[(1, 20219390), (2, 10109695), (5, 4043878), (10, 2021939), (37, 546470), (74, 273235), (185, 109294), (370, 54647)]