20780039618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1588931}}^1$

素因数の和:1589449

約数の個数: 16

約数和(自身を含む): 33634512576

約数和(自身を除く): 12854472958

約数列:

[1, 2, 13, 26, 503, 1006, 6539, 13078, 1588931, 3177862, 20656103, 41312206, 799232293, 1598464586, 10390019809, 20780039618]

約数ペア:

[(1, 20780039618), (2, 10390019809), (13, 1598464586), (26, 799232293), (503, 41312206), (1006, 20656103), (6539, 3177862), (13078, 1588931)]