20557126

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14621}}^1$

素因数の和:14679

約数の個数: 16

約数和(自身を含む): 33338160

約数和(自身を除く): 12781034

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14621, 29242, 277799, 540977, 555598, 1081954, 10278563, 20557126]

約数ペア:

[(1, 20557126), (2, 10278563), (19, 1081954), (37, 555598), (38, 540977), (74, 277799), (703, 29242), (1406, 14621)]