20810344

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49081}}^1$

素因数の和:49140

約数の個数: 16

約数和(自身を含む): 39756420

約数和(自身を除く): 18946076

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49081, 98162, 196324, 392648, 2601293, 5202586, 10405172, 20810344]

約数ペア:

[(1, 20810344), (2, 10405172), (4, 5202586), (8, 2601293), (53, 392648), (106, 196324), (212, 98162), (424, 49081)]