20827306

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3491}}^1$

素因数の和:3669

約数の個数: 16

約数和(自身を含む): 33104160

約数和(自身を除く): 12276854

約数列:

[1, 2, 19, 38, 157, 314, 2983, 3491, 5966, 6982, 66329, 132658, 548087, 1096174, 10413653, 20827306]

約数ペア:

[(1, 20827306), (2, 10413653), (19, 1096174), (38, 548087), (157, 132658), (314, 66329), (2983, 6982), (3491, 5966)]