20218887955

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25116631}}^1$

素因数の和:25116666

約数の個数: 16

約数和(自身を含む): 28934360064

約数和(自身を除く): 8715472109

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25116631, 125583155, 175816417, 577682513, 879082085, 2888412565, 4043777591, 20218887955]

約数ペア:

[(1, 20218887955), (5, 4043777591), (7, 2888412565), (23, 879082085), (35, 577682513), (115, 175816417), (161, 125583155), (805, 25116631)]