20154069

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 32672640

約数和(自身を除く): 12518571

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 857, 871, 1809, 2571, 2613, 7713, 7839, 11141, 23139, 23517, 33423, 57419, 100269, 172257, 300807, 516771, 746447, 1550313, 2239341, 6718023, 20154069]

約数ペア:

[(1, 20154069), (3, 6718023), (9, 2239341), (13, 1550313), (27, 746447), (39, 516771), (67, 300807), (117, 172257), (201, 100269), (351, 57419), (603, 33423), (857, 23517), (871, 23139), (1809, 11141), (2571, 7839), (2613, 7713)]