20494790

素因数分解:

$2^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{2729}}^1$

素因数の和:3487

約数の個数: 16

約数和(自身を含む): 36953280

約数和(自身を除く): 16458490

約数列:

[1, 2, 5, 10, 751, 1502, 2729, 3755, 5458, 7510, 13645, 27290, 2049479, 4098958, 10247395, 20494790]

約数ペア:

[(1, 20494790), (2, 10247395), (5, 4098958), (10, 2049479), (751, 27290), (1502, 13645), (2729, 7510), (3755, 5458)]