20412049

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 24427008

約数和(自身を除く): 4014959

約数列:

[1, 7, 37, 53, 259, 371, 1487, 1961, 10409, 13727, 55019, 78811, 385133, 551677, 2916007, 20412049]

約数ペア:

[(1, 20412049), (7, 2916007), (37, 551677), (53, 385133), (259, 78811), (371, 55019), (1487, 13727), (1961, 10409)]