20660682

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3539}}^1$

素因数の和:3690

約数の個数: 32

約数和(自身を含む): 47577600

約数和(自身を除く): 26916918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3539, 5838, 7078, 10617, 21234, 24773, 49546, 74319, 148638, 491921, 983842, 1475763, 2951526, 3443447, 6886894, 10330341, 20660682]

約数ペア:

[(1, 20660682), (2, 10330341), (3, 6886894), (6, 3443447), (7, 2951526), (14, 1475763), (21, 983842), (42, 491921), (139, 148638), (278, 74319), (417, 49546), (834, 24773), (973, 21234), (1946, 10617), (2919, 7078), (3539, 5838)]