20428537247

素因数分解:

${\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2351}}^1\times {\mathrm{2447}}^1$

素因数の和:4918

約数の個数: 16

約数和(自身を含む): 21142259712

約数和(自身を除く): 713722465

約数列:

[1, 53, 67, 2351, 2447, 3551, 124603, 129691, 157517, 163949, 5752897, 8348401, 8689297, 304903541, 385444099, 20428537247]

約数ペア:

[(1, 20428537247), (53, 385444099), (67, 304903541), (2351, 8689297), (2447, 8348401), (3551, 5752897), (124603, 163949), (129691, 157517)]