20154255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122147}}^1$

素因数の和:122166

約数の個数: 16

約数和(自身を含む): 35178624

約数和(自身を除く): 15024369

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 122147, 366441, 610735, 1343617, 1832205, 4030851, 6718085, 20154255]

約数ペア:

[(1, 20154255), (3, 6718085), (5, 4030851), (11, 1832205), (15, 1343617), (33, 610735), (55, 366441), (165, 122147)]