20977486

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2347}}^1$

素因数の和:2499

約数の個数: 16

約数和(自身を含む): 32543280

約数和(自身を除く): 11565794

約数列:

[1, 2, 41, 82, 109, 218, 2347, 4469, 4694, 8938, 96227, 192454, 255823, 511646, 10488743, 20977486]

約数ペア:

[(1, 20977486), (2, 10488743), (41, 511646), (82, 255823), (109, 192454), (218, 96227), (2347, 8938), (4469, 4694)]