20678920009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{443687}}^1$

素因数の和:443940

約数の個数: 16

約数和(自身を含む): 23852666880

約数和(自身を除く): 3173746871

約数列:

[1, 11, 19, 209, 223, 2453, 4237, 46607, 443687, 4880557, 8430053, 92730583, 98942201, 1088364211, 1879901819, 20678920009]

約数ペア:

[(1, 20678920009), (11, 1879901819), (19, 1088364211), (209, 98942201), (223, 92730583), (2453, 8430053), (4237, 4880557), (46607, 443687)]