20581386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{490033}}^1$

素因数の和:490045

約数の個数: 16

約数和(自身を含む): 47043264

約数和(自身を除く): 26461878

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 490033, 980066, 1470099, 2940198, 3430231, 6860462, 10290693, 20581386]

約数ペア:

[(1, 20581386), (2, 10290693), (3, 6860462), (6, 3430231), (7, 2940198), (14, 1470099), (21, 980066), (42, 490033)]