20145705073

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{642217}}^1$

素因数の和:642376

約数の個数: 16

約数和(自身を含む): 23017093120

約数和(自身を除く): 2871388047

約数列:

[1, 13, 19, 127, 247, 1651, 2413, 31369, 642217, 8348821, 12202123, 81561559, 158627599, 1060300267, 1549669621, 20145705073]

約数ペア:

[(1, 20145705073), (13, 1549669621), (19, 1060300267), (127, 158627599), (247, 81561559), (1651, 12202123), (2413, 8348821), (31369, 642217)]