20563341

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 27864000

約数和(自身を除く): 7300659

約数列:

[1, 3, 149, 179, 257, 447, 537, 771, 26671, 38293, 46003, 80013, 114879, 138009, 6854447, 20563341]

約数ペア:

[(1, 20563341), (3, 6854447), (149, 138009), (179, 114879), (257, 80013), (447, 46003), (537, 38293), (771, 26671)]