20211771845

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{516199}}^1$

素因数の和:516436

約数の個数: 16

約数和(自身を含む): 24975820800

約数和(自身を除く): 4764048955

約数列:

[1, 5, 41, 191, 205, 955, 7831, 39155, 516199, 2580995, 21164159, 98594009, 105820795, 492970045, 4042354369, 20211771845]

約数ペア:

[(1, 20211771845), (5, 4042354369), (41, 492970045), (191, 105820795), (205, 98594009), (955, 21164159), (7831, 2580995), (39155, 516199)]