20375367

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 29354112

約数和(自身を除く): 8978745

約数列:

[1, 3, 17, 51, 71, 213, 289, 331, 867, 993, 1207, 3621, 5627, 16881, 20519, 23501, 61557, 70503, 95659, 286977, 399517, 1198551, 6791789, 20375367]

約数ペア:

[(1, 20375367), (3, 6791789), (17, 1198551), (51, 399517), (71, 286977), (213, 95659), (289, 70503), (331, 61557), (867, 23501), (993, 20519), (1207, 16881), (3621, 5627)]