20638714

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5569}}^1$

素因数の和:5697

約数の個数: 16

約数和(自身を含む): 33085800

約数和(自身を除く): 12447086

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5569, 11138, 94673, 189346, 607021, 1214042, 10319357, 20638714]

約数ペア:

[(1, 20638714), (2, 10319357), (17, 1214042), (34, 607021), (109, 189346), (218, 94673), (1853, 11138), (3706, 5569)]