20781786

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2791}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 44627328

約数和(自身を除く): 23845542

約数列:

[1, 2, 3, 6, 17, 34, 51, 73, 102, 146, 219, 438, 1241, 2482, 2791, 3723, 5582, 7446, 8373, 16746, 47447, 94894, 142341, 203743, 284682, 407486, 611229, 1222458, 3463631, 6927262, 10390893, 20781786]

約数ペア:

[(1, 20781786), (2, 10390893), (3, 6927262), (6, 3463631), (17, 1222458), (34, 611229), (51, 407486), (73, 284682), (102, 203743), (146, 142341), (219, 94894), (438, 47447), (1241, 16746), (2482, 8373), (2791, 7446), (3723, 5582)]