20954557

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 24358320

約数和(自身を除く): 3403763

約数列:

[1, 13, 17, 53, 221, 689, 901, 1789, 11713, 23257, 30413, 94817, 395369, 1232621, 1611889, 20954557]

約数ペア:

[(1, 20954557), (13, 1611889), (17, 1232621), (53, 395369), (221, 94817), (689, 30413), (901, 23257), (1789, 11713)]