20894349

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18773}}^1$

素因数の和:18836

約数の個数: 16

約数和(自身を含む): 32441472

約数和(自身を除く): 11547123

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18773, 56319, 131411, 394233, 994969, 2984907, 6964783, 20894349]

約数ペア:

[(1, 20894349), (3, 6964783), (7, 2984907), (21, 994969), (53, 394233), (159, 131411), (371, 56319), (1113, 18773)]