20108904739

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{16889}}^1$

素因数の和:17008

約数の個数: 36

約数和(自身を含む): 26074579320

約数和(自身を除く): 5965674581

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 2209, 2303, 3619, 15463, 16889, 24299, 25333, 108241, 118223, 170093, 185779, 793783, 827561, 1190651, 1300453, 5556481, 8731613, 9103171, 37307801, 38895367, 61121291, 261154607, 410385811, 427849037, 1828082249, 2872700677, 20108904739]

約数ペア:

[(1, 20108904739), (7, 2872700677), (11, 1828082249), (47, 427849037), (49, 410385811), (77, 261154607), (329, 61121291), (517, 38895367), (539, 37307801), (2209, 9103171), (2303, 8731613), (3619, 5556481), (15463, 1300453), (16889, 1190651), (24299, 827561), (25333, 793783), (108241, 185779), (118223, 170093)]