20561754

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{118171}}^1$

素因数の和:118205

約数の個数: 16

約数和(自身を含む): 42541920

約数和(自身を除く): 21980166

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 118171, 236342, 354513, 709026, 3426959, 6853918, 10280877, 20561754]

約数ペア:

[(1, 20561754), (2, 10280877), (3, 6853918), (6, 3426959), (29, 709026), (58, 354513), (87, 236342), (174, 118171)]