20121353

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{479}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 24468480

約数和(自身を除く): 4347127

約数列:

[1, 7, 17, 119, 353, 479, 2471, 3353, 6001, 8143, 42007, 57001, 169087, 1183609, 2874479, 20121353]

約数ペア:

[(1, 20121353), (7, 2874479), (17, 1183609), (119, 169087), (353, 57001), (479, 42007), (2471, 8143), (3353, 6001)]