20716578437

素因数分解:

${\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1217}}^1\times {\mathrm{7309}}^1$

素因数の和:8680

約数の個数: 16

約数和(自身を含む): 22116492720

約数和(自身を除く): 1399914283

約数列:

[1, 17, 137, 1217, 2329, 7309, 20689, 124253, 166729, 1001333, 2834393, 8895053, 17022661, 151215901, 1218622261, 20716578437]

約数ペア:

[(1, 20716578437), (17, 1218622261), (137, 151215901), (1217, 17022661), (2329, 8895053), (7309, 2834393), (20689, 1001333), (124253, 166729)]