20806477653

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{10357}}^1\times {\mathrm{51511}}^1$

素因数の和:61884

約数の個数: 16

約数和(自身を含む): 29879432576

約数和(自身を除く): 9072954923

約数列:

[1, 3, 13, 39, 10357, 31071, 51511, 134641, 154533, 403923, 669643, 2008929, 533499427, 1600498281, 6935492551, 20806477653]

約数ペア:

[(1, 20806477653), (3, 6935492551), (13, 1600498281), (39, 533499427), (10357, 2008929), (31071, 669643), (51511, 403923), (134641, 154533)]