20952755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4651}}^1$

素因数の和:4726

約数の個数: 16

約数和(自身を含む): 27130464

約数和(自身を除く): 6177709

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 4651, 23255, 79067, 246503, 395335, 1232515, 4190551, 20952755]

約数ペア:

[(1, 20952755), (5, 4190551), (17, 1232515), (53, 395335), (85, 246503), (265, 79067), (901, 23255), (4505, 4651)]