20540154

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79613}}^1$

素因数の和:79661

約数の個数: 16

約数和(自身を含む): 42036192

約数和(自身を除く): 21496038

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 79613, 159226, 238839, 477678, 3423359, 6846718, 10270077, 20540154]

約数ペア:

[(1, 20540154), (2, 10270077), (3, 6846718), (6, 3423359), (43, 477678), (86, 238839), (129, 159226), (258, 79613)]