20340153

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1663}}^1$

素因数の和:1826

約数の個数: 20

約数和(自身を含む): 30604288

約数和(自身を除く): 10264135

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 1663, 4077, 4989, 12231, 14967, 44901, 134703, 251113, 753339, 2260017, 6780051, 20340153]

約数ペア:

[(1, 20340153), (3, 6780051), (9, 2260017), (27, 753339), (81, 251113), (151, 134703), (453, 44901), (1359, 14967), (1663, 12231), (4077, 4989)]