20081117

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 3557923

約数列:

[1, 7, 53, 113, 371, 479, 791, 3353, 5989, 25387, 41923, 54127, 177709, 378889, 2868731, 20081117]

約数ペア:

[(1, 20081117), (7, 2868731), (53, 378889), (113, 177709), (371, 54127), (479, 41923), (791, 25387), (3353, 5989)]