20484541

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15649}}^1$

素因数の和:15684

約数の個数: 16

約数和(自身を含む): 27043200

約数和(自身を除く): 6558659

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15649, 109543, 172139, 266033, 1204973, 1862231, 2926363, 20484541]

約数ペア:

[(1, 20484541), (7, 2926363), (11, 1862231), (17, 1204973), (77, 266033), (119, 172139), (187, 109543), (1309, 15649)]