20376489

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57077}}^1$

素因数の和:57104

約数の個数: 16

約数和(自身を含む): 32876928

約数和(自身を除く): 12500439

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57077, 171231, 399539, 970309, 1198617, 2910927, 6792163, 20376489]

約数ペア:

[(1, 20376489), (3, 6792163), (7, 2910927), (17, 1198617), (21, 970309), (51, 399539), (119, 171231), (357, 57077)]