20963464

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63913}}^1$

素因数の和:63960

約数の個数: 16

約数和(自身を含む): 40265820

約数和(自身を除く): 19302356

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63913, 127826, 255652, 511304, 2620433, 5240866, 10481732, 20963464]

約数ペア:

[(1, 20963464), (2, 10481732), (4, 5240866), (8, 2620433), (41, 511304), (82, 255652), (164, 127826), (328, 63913)]