20068279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15331}}^1$

素因数の和:15366

約数の個数: 16

約数和(自身を含む): 26493696

約数和(自身を除く): 6425417

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15331, 107317, 168641, 260627, 1180487, 1824389, 2866897, 20068279]

約数ペア:

[(1, 20068279), (7, 2866897), (11, 1824389), (17, 1180487), (77, 260627), (119, 168641), (187, 107317), (1309, 15331)]