20154322

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 30816000

約数和(自身を除く): 10661678

約数列:

[1, 2, 79, 158, 199, 398, 641, 1282, 15721, 31442, 50639, 101278, 127559, 255118, 10077161, 20154322]

約数ペア:

[(1, 20154322), (2, 10077161), (79, 255118), (158, 127559), (199, 101278), (398, 50639), (641, 31442), (1282, 15721)]