20551430161

素因数分解:

${\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{811}}^1\times {\mathrm{7451}}^1$

素因数の和:8460

約数の個数: 16

約数和(自身を含む): 21783686400

約数和(自身を除く): 1232256239

約数列:

[1, 19, 179, 811, 3401, 7451, 15409, 141569, 145169, 1333729, 2758211, 6042761, 25340851, 114812459, 1081654219, 20551430161]

約数ペア:

[(1, 20551430161), (19, 1081654219), (179, 114812459), (811, 25340851), (3401, 6042761), (7451, 2758211), (15409, 1333729), (141569, 145169)]