20678273

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15797}}^1$

素因数の和:15832

約数の個数: 16

約数和(自身を含む): 27298944

約数和(自身を除く): 6620671

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15797, 110579, 173767, 268549, 1216369, 1879843, 2954039, 20678273]

約数ペア:

[(1, 20678273), (7, 2954039), (11, 1879843), (17, 1216369), (77, 268549), (119, 173767), (187, 110579), (1309, 15797)]