20199709917

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{156307}}^1$

素因数の和:156569

約数の個数: 24

約数和(自身を含む): 29699770464

約数和(自身を除く): 9500060547

約数列:

[1, 3, 9, 83, 173, 249, 519, 747, 1557, 14359, 43077, 129231, 156307, 468921, 1406763, 12973481, 27041111, 38920443, 81123333, 116761329, 243369999, 2244412213, 6733236639, 20199709917]

約数ペア:

[(1, 20199709917), (3, 6733236639), (9, 2244412213), (83, 243369999), (173, 116761329), (249, 81123333), (519, 38920443), (747, 27041111), (1557, 12973481), (14359, 1406763), (43077, 468921), (129231, 156307)]