20632671

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 11162529

約数列:

[1, 3, 9, 27, 47, 71, 141, 213, 229, 423, 639, 687, 1269, 1917, 2061, 3337, 6183, 10011, 10763, 16259, 30033, 32289, 48777, 90099, 96867, 146331, 290601, 438993, 764173, 2292519, 6877557, 20632671]

約数ペア:

[(1, 20632671), (3, 6877557), (9, 2292519), (27, 764173), (47, 438993), (71, 290601), (141, 146331), (213, 96867), (229, 90099), (423, 48777), (639, 32289), (687, 30033), (1269, 16259), (1917, 10763), (2061, 10011), (3337, 6183)]