20173750247

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{12457}}^1$

素因数の和:12951

約数の個数: 32

約数和(自身を含む): 25258844160

約数和(自身を除く): 5085093913

約数列:

[1, 7, 17, 31, 119, 217, 439, 527, 3073, 3689, 7463, 12457, 13609, 52241, 87199, 95263, 211769, 231353, 386167, 1482383, 1619471, 2703169, 5468623, 6564839, 38280361, 45953873, 92966591, 169527313, 650766137, 1186691191, 2881964321, 20173750247]

約数ペア:

[(1, 20173750247), (7, 2881964321), (17, 1186691191), (31, 650766137), (119, 169527313), (217, 92966591), (439, 45953873), (527, 38280361), (3073, 6564839), (3689, 5468623), (7463, 2703169), (12457, 1619471), (13609, 1482383), (52241, 386167), (87199, 231353), (95263, 211769)]