20118645

素因数分解:

$3^3\times 5^1\times {\mathrm{149027}}^1$

素因数の和:149041

約数の個数: 16

約数和(自身を含む): 35766720

約数和(自身を除く): 15648075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149027, 447081, 745135, 1341243, 2235405, 4023729, 6706215, 20118645]

約数ペア:

[(1, 20118645), (3, 6706215), (5, 4023729), (9, 2235405), (15, 1341243), (27, 745135), (45, 447081), (135, 149027)]