20779502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2269}}^1$

素因数の和:2531

約数の個数: 16

約数和(自身を含む): 32960400

約数和(自身を除く): 12180898

約数列:

[1, 2, 19, 38, 241, 482, 2269, 4538, 4579, 9158, 43111, 86222, 546829, 1093658, 10389751, 20779502]

約数ペア:

[(1, 20779502), (2, 10389751), (19, 1093658), (38, 546829), (241, 86222), (482, 43111), (2269, 9158), (4538, 4579)]