20954004841

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{577}}^1\times {\mathrm{1879}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 26287994880

約数和(自身を除く): 5333990039

約数列:

[1, 7, 11, 77, 251, 577, 1757, 1879, 2761, 4039, 6347, 13153, 19327, 20669, 44429, 144683, 144827, 471629, 1013789, 1084183, 1593097, 3301403, 5187919, 7589281, 11151679, 11926013, 36315433, 83482091, 272129933, 1904909531, 2993429263, 20954004841]

約数ペア:

[(1, 20954004841), (7, 2993429263), (11, 1904909531), (77, 272129933), (251, 83482091), (577, 36315433), (1757, 11926013), (1879, 11151679), (2761, 7589281), (4039, 5187919), (6347, 3301403), (13153, 1593097), (19327, 1084183), (20669, 1013789), (44429, 471629), (144683, 144827)]