20919018

素因数分解:

$2^1\times 3^1\times {\mathrm{1201}}^1\times {\mathrm{2903}}^1$

素因数の和:4109

約数の個数: 16

約数和(自身を含む): 41887296

約数和(自身を除く): 20968278

約数列:

[1, 2, 3, 6, 1201, 2402, 2903, 3603, 5806, 7206, 8709, 17418, 3486503, 6973006, 10459509, 20919018]

約数ペア:

[(1, 20919018), (2, 10459509), (3, 6973006), (6, 3486503), (1201, 17418), (2402, 8709), (2903, 7206), (3603, 5806)]