20172047

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{947}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 24572160

約数和(自身を除く): 4400113

約数列:

[1, 7, 17, 119, 179, 947, 1253, 3043, 6629, 16099, 21301, 112693, 169513, 1186591, 2881721, 20172047]

約数ペア:

[(1, 20172047), (7, 2881721), (17, 1186591), (119, 169513), (179, 112693), (947, 21301), (1253, 16099), (3043, 6629)]