20541796667

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1\times {\mathrm{72139}}^1$

素因数の和:74306

約数の個数: 16

約数和(自身を含む): 24723820800

約数和(自身を除く): 4182024133

約数列:

[1, 7, 19, 133, 2141, 14987, 40679, 72139, 284753, 504973, 1370641, 9594487, 154449599, 1081147193, 2934542381, 20541796667]

約数ペア:

[(1, 20541796667), (7, 2934542381), (19, 1081147193), (133, 154449599), (2141, 9594487), (14987, 1370641), (40679, 504973), (72139, 284753)]