20965084

素因数分解:

$2^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1787}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 42053760

約数和(自身を除く): 21088676

約数列:

[1, 2, 4, 7, 14, 28, 419, 838, 1676, 1787, 2933, 3574, 5866, 7148, 11732, 12509, 25018, 50036, 748753, 1497506, 2995012, 5241271, 10482542, 20965084]

約数ペア:

[(1, 20965084), (2, 10482542), (4, 5241271), (7, 2995012), (14, 1497506), (28, 748753), (419, 50036), (838, 25018), (1676, 12509), (1787, 11732), (2933, 7148), (3574, 5866)]