20785886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49727}}^1$

素因数の和:49759

約数の個数: 16

約数和(自身を含む): 35804160

約数和(自身を除く): 15018274

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49727, 99454, 546997, 944813, 1093994, 1889626, 10392943, 20785886]

約数ペア:

[(1, 20785886), (2, 10392943), (11, 1889626), (19, 1093994), (22, 944813), (38, 546997), (209, 99454), (418, 49727)]