20328415

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 25474176

約数和(自身を除く): 5145761

約数列:

[1, 5, 41, 53, 205, 265, 1871, 2173, 9355, 10865, 76711, 99163, 383555, 495815, 4065683, 20328415]

約数ペア:

[(1, 20328415), (5, 4065683), (41, 495815), (53, 383555), (205, 99163), (265, 76711), (1871, 10865), (2173, 9355)]