20205189

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{683}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 30944160

約数和(自身を除く): 10738971

約数列:

[1, 3, 9, 19, 57, 171, 173, 519, 683, 1557, 2049, 3287, 6147, 9861, 12977, 29583, 38931, 116793, 118159, 354477, 1063431, 2245021, 6735063, 20205189]

約数ペア:

[(1, 20205189), (3, 6735063), (9, 2245021), (19, 1063431), (57, 354477), (171, 118159), (173, 116793), (519, 38931), (683, 29583), (1557, 12977), (2049, 9861), (3287, 6147)]