20873936

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11969}}^1$

素因数の和:12086

約数の個数: 20

約数和(自身を含む): 40817700

約数和(自身を除く): 19943764

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11969, 23938, 47876, 95752, 191504, 1304621, 2609242, 5218484, 10436968, 20873936]

約数ペア:

[(1, 20873936), (2, 10436968), (4, 5218484), (8, 2609242), (16, 1304621), (109, 191504), (218, 95752), (436, 47876), (872, 23938), (1744, 11969)]