20917158682

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2909}}^1\times {\mathrm{12527}}^1$

素因数の和:15486

約数の個数: 32

約数和(自身を含む): 36748131840

約数和(自身を除く): 15830973158

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 2909, 5818, 12527, 20363, 25054, 40726, 87689, 119269, 175378, 238538, 513607, 834883, 1027214, 1669766, 3595249, 7190498, 36441043, 72882086, 255087301, 510174602, 1494082763, 2988165526, 10458579341, 20917158682]

約数ペア:

[(1, 20917158682), (2, 10458579341), (7, 2988165526), (14, 1494082763), (41, 510174602), (82, 255087301), (287, 72882086), (574, 36441043), (2909, 7190498), (5818, 3595249), (12527, 1669766), (20363, 1027214), (25054, 834883), (40726, 513607), (87689, 238538), (119269, 175378)]