20895117

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8941}}^1$

素因数の和:9004

約数の個数: 16

約数和(自身を含む): 30045120

約数和(自身を除く): 9150003

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 8941, 26823, 169879, 366581, 509637, 1099743, 6965039, 20895117]

約数ペア:

[(1, 20895117), (3, 6965039), (19, 1099743), (41, 509637), (57, 366581), (123, 169879), (779, 26823), (2337, 8941)]