20906118

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61129}}^1$

素因数の和:61156

約数の個数: 24

約数和(自身を含む): 47681400

約数和(自身を除く): 26775282

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 61129, 122258, 183387, 366774, 550161, 1100322, 1161451, 2322902, 3484353, 6968706, 10453059, 20906118]

約数ペア:

[(1, 20906118), (2, 10453059), (3, 6968706), (6, 3484353), (9, 2322902), (18, 1161451), (19, 1100322), (38, 550161), (57, 366774), (114, 183387), (171, 122258), (342, 61129)]