20709174

素因数分解:

$2^1\times 3^1\times {\mathrm{509}}^1\times {\mathrm{6781}}^1$

素因数の和:7295

約数の個数: 16

約数和(自身を含む): 41505840

約数和(自身を除く): 20796666

約数列:

[1, 2, 3, 6, 509, 1018, 1527, 3054, 6781, 13562, 20343, 40686, 3451529, 6903058, 10354587, 20709174]

約数ペア:

[(1, 20709174), (2, 10354587), (3, 6903058), (6, 3451529), (509, 40686), (1018, 20343), (1527, 13562), (3054, 6781)]