20881569247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6614371}}^1$

素因数の和:6614430

約数の個数: 16

約数和(自身を含む): 26669147904

約数和(自身を除く): 5787578657

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6614371, 46300597, 72758081, 271189211, 509306567, 1898324477, 2983081321, 20881569247]

約数ペア:

[(1, 20881569247), (7, 2983081321), (11, 1898324477), (41, 509306567), (77, 271189211), (287, 72758081), (451, 46300597), (3157, 6614371)]