20843817

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{727}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 29352960

約数和(自身を除く): 8509143

約数列:

[1, 3, 19, 57, 503, 727, 1509, 2181, 9557, 13813, 28671, 41439, 365681, 1097043, 6947939, 20843817]

約数ペア:

[(1, 20843817), (3, 6947939), (19, 1097043), (57, 365681), (503, 41439), (727, 28671), (1509, 13813), (2181, 9557)]