20809924611

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2671021}}^1$

素因数の和:2671091

約数の個数: 24

約数和(自身を含む): 32885622864

約数和(自身を除く): 12075698253

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 2671021, 8013063, 18697147, 56091441, 130880029, 141564113, 392640087, 424692339, 990948791, 2972846373, 6936641537, 20809924611]

約数ペア:

[(1, 20809924611), (3, 6936641537), (7, 2972846373), (21, 990948791), (49, 424692339), (53, 392640087), (147, 141564113), (159, 130880029), (371, 56091441), (1113, 18697147), (2597, 8013063), (7791, 2671021)]