20038265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2069}}^1$

素因数の和:2236

約数の個数: 16

約数和(自身を含む): 26082000

約数和(自身を除く): 6043735

約数列:

[1, 5, 13, 65, 149, 745, 1937, 2069, 9685, 10345, 26897, 134485, 308281, 1541405, 4007653, 20038265]

約数ペア:

[(1, 20038265), (5, 4007653), (13, 1541405), (65, 308281), (149, 134485), (745, 26897), (1937, 10345), (2069, 9685)]