20557929

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 33767424

約数和(自身を除く): 13209495

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 1373, 2139, 4119, 4991, 9611, 14973, 28833, 31579, 42563, 94737, 127689, 221053, 297941, 663159, 893823, 978949, 2936847, 6852643, 20557929]

約数ペア:

[(1, 20557929), (3, 6852643), (7, 2936847), (21, 978949), (23, 893823), (31, 663159), (69, 297941), (93, 221053), (161, 127689), (217, 94737), (483, 42563), (651, 31579), (713, 28833), (1373, 14973), (2139, 9611), (4119, 4991)]