20305042

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{859}}^1$

素因数の和:1137

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 10902638

約数列:

[1, 2, 53, 106, 223, 446, 859, 1718, 11819, 23638, 45527, 91054, 191557, 383114, 10152521, 20305042]

約数ペア:

[(1, 20305042), (2, 10152521), (53, 383114), (106, 191557), (223, 91054), (446, 45527), (859, 23638), (1718, 11819)]