20756019

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4211}}^1$

素因数の和:4298

約数の個数: 16

約数和(自身を含む): 29113344

約数和(自身を除く): 8357325

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4211, 4929, 12633, 130541, 223183, 391623, 669549, 6918673, 20756019]

約数ペア:

[(1, 20756019), (3, 6918673), (31, 669549), (53, 391623), (93, 223183), (159, 130541), (1643, 12633), (4211, 4929)]