20803529

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2006071

約数列:

[1, 17, 43, 149, 191, 731, 2533, 3247, 6407, 8213, 28459, 108919, 139621, 483803, 1223737, 20803529]

約数ペア:

[(1, 20803529), (17, 1223737), (43, 483803), (149, 139621), (191, 108919), (731, 28459), (2533, 8213), (3247, 6407)]