20217558

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{177347}}^1$

素因数の和:177371

約数の個数: 16

約数和(自身を含む): 42563520

約数和(自身を除く): 22345962

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 177347, 354694, 532041, 1064082, 3369593, 6739186, 10108779, 20217558]

約数ペア:

[(1, 20217558), (2, 10108779), (3, 6739186), (6, 3369593), (19, 1064082), (38, 532041), (57, 354694), (114, 177347)]