20073980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27127}}^1$

素因数の和:27173

約数の個数: 24

約数和(自身を含む): 43296288

約数和(自身を除く): 23222308

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27127, 54254, 108508, 135635, 271270, 542540, 1003699, 2007398, 4014796, 5018495, 10036990, 20073980]

約数ペア:

[(1, 20073980), (2, 10036990), (4, 5018495), (5, 4014796), (10, 2007398), (20, 1003699), (37, 542540), (74, 271270), (148, 135635), (185, 108508), (370, 54254), (740, 27127)]