20198391619

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{249329}}^1$

素因数の和:249570

約数の個数: 16

約数和(自身を含む): 23552709120

約数和(自身を除く): 3354317501

約数列:

[1, 7, 71, 163, 497, 1141, 11573, 81011, 249329, 1745303, 17702359, 40640627, 123916513, 284484389, 2885484517, 20198391619]

約数ペア:

[(1, 20198391619), (7, 2885484517), (71, 284484389), (163, 123916513), (497, 40640627), (1141, 17702359), (11573, 1745303), (81011, 249329)]