20164575455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{10639}}^1$

素因数の和:11015

約数の個数: 32

約数和(自身を含む): 25924147200

約数和(自身を除く): 5759571745

約数列:

[1, 5, 19, 71, 95, 281, 355, 1349, 1405, 5339, 6745, 10639, 19951, 26695, 53195, 99755, 202141, 379069, 755369, 1010705, 1895345, 2989559, 3776845, 14352011, 14947795, 56801621, 71760055, 212258689, 284008105, 1061293445, 4032915091, 20164575455]

約数ペア:

[(1, 20164575455), (5, 4032915091), (19, 1061293445), (71, 284008105), (95, 212258689), (281, 71760055), (355, 56801621), (1349, 14947795), (1405, 14352011), (5339, 3776845), (6745, 2989559), (10639, 1895345), (19951, 1010705), (26695, 755369), (53195, 379069), (99755, 202141)]