20906502

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{5419}}^1$

素因数の和:6067

約数の個数: 16

約数和(自身を含む): 41885760

約数和(自身を除く): 20979258

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 5419, 10838, 16257, 32514, 3484417, 6968834, 10453251, 20906502]

約数ペア:

[(1, 20906502), (2, 10453251), (3, 6968834), (6, 3484417), (643, 32514), (1286, 16257), (1929, 10838), (3858, 5419)]