20894636

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3907}}^1$

素因数の和:4109

約数の個数: 24

約数和(自身を含む): 42018816

約数和(自身を除く): 21124180

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 3907, 5348, 7814, 15628, 27349, 54698, 109396, 746237, 1492474, 2984948, 5223659, 10447318, 20894636]

約数ペア:

[(1, 20894636), (2, 10447318), (4, 5223659), (7, 2984948), (14, 1492474), (28, 746237), (191, 109396), (382, 54698), (764, 27349), (1337, 15628), (2674, 7814), (3907, 5348)]