20970160

素因数分解:

$2^4\times 5^1\times {\mathrm{262127}}^1$

素因数の和:262140

約数の個数: 20

約数和(自身を含む): 48755808

約数和(自身を除く): 27785648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 262127, 524254, 1048508, 1310635, 2097016, 2621270, 4194032, 5242540, 10485080, 20970160]

約数ペア:

[(1, 20970160), (2, 10485080), (4, 5242540), (5, 4194032), (8, 2621270), (10, 2097016), (16, 1310635), (20, 1048508), (40, 524254), (80, 262127)]