20656955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22093}}^1$

素因数の和:22126

約数の個数: 16

約数和(自身を含む): 28633824

約数和(自身を除く): 7976869

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22093, 110465, 243023, 375581, 1215115, 1877905, 4131391, 20656955]

約数ペア:

[(1, 20656955), (5, 4131391), (11, 1877905), (17, 1215115), (55, 375581), (85, 243023), (187, 110465), (935, 22093)]