20054091

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{571}}^1$

素因数の和:1106

約数の個数: 16

約数和(自身を含む): 28005120

約数和(自身を除く): 7951029

約数列:

[1, 3, 23, 69, 509, 571, 1527, 1713, 11707, 13133, 35121, 39399, 290639, 871917, 6684697, 20054091]

約数ペア:

[(1, 20054091), (3, 6684697), (23, 871917), (69, 290639), (509, 39399), (571, 35121), (1527, 13133), (1713, 11707)]