20512113

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 9347727

約数列:

[1, 3, 23, 53, 69, 71, 79, 159, 213, 237, 1219, 1633, 1817, 3657, 3763, 4187, 4899, 5451, 5609, 11289, 12561, 16827, 86549, 96301, 129007, 259647, 288903, 297277, 387021, 891831, 6837371, 20512113]

約数ペア:

[(1, 20512113), (3, 6837371), (23, 891831), (53, 387021), (69, 297277), (71, 288903), (79, 259647), (159, 129007), (213, 96301), (237, 86549), (1219, 16827), (1633, 12561), (1817, 11289), (3657, 5609), (3763, 5451), (4187, 4899)]