20973138

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205619}}^1$

素因数の和:205641

約数の個数: 16

約数和(自身を含む): 44413920

約数和(自身を除く): 23440782

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205619, 411238, 616857, 1233714, 3495523, 6991046, 10486569, 20973138]

約数ペア:

[(1, 20973138), (2, 10486569), (3, 6991046), (6, 3495523), (17, 1233714), (34, 616857), (51, 411238), (102, 205619)]