20740666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{5101}}^1$

素因数の和:5229

約数の個数: 16

約数和(自身を含む): 33060960

約数和(自身を除く): 12320294

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 5101, 10202, 96919, 193838, 545807, 1091614, 10370333, 20740666]

約数ペア:

[(1, 20740666), (2, 10370333), (19, 1091614), (38, 545807), (107, 193838), (214, 96919), (2033, 10202), (4066, 5101)]