20480459937

素因数分解:

$3^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1661431}}^1$

素因数の和:1662028

約数の個数: 16

約数和(自身を含む): 31261504512

約数和(自身を除く): 10781044575

約数列:

[1, 3, 7, 21, 587, 1761, 4109, 12327, 1661431, 4984293, 11630017, 34890051, 975259997, 2925779991, 6826819979, 20480459937]

約数ペア:

[(1, 20480459937), (3, 6826819979), (7, 2925779991), (21, 975259997), (587, 34890051), (1761, 11630017), (4109, 4984293), (12327, 1661431)]