20178356868

素因数分解:

$2^2\times 3^2\times {\mathrm{560509913}}^1$

素因数の和:560509923

約数の個数: 18

約数和(自身を含む): 51006402174

約数和(自身を除く): 30828045306

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560509913, 1121019826, 1681529739, 2242039652, 3363059478, 5044589217, 6726118956, 10089178434, 20178356868]

約数ペア:

[(1, 20178356868), (2, 10089178434), (3, 6726118956), (4, 5044589217), (6, 3363059478), (9, 2242039652), (12, 1681529739), (18, 1121019826), (36, 560509913)]