20908885788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82971769}}^1$

素因数の和:82971786

約数の個数: 36

約数和(自身を含む): 60403448560

約数和(自身を除く): 39494562772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82971769, 165943538, 248915307, 331887076, 497830614, 580802383, 746745921, 995661228, 1161604766, 1493491842, 1742407149, 2323209532, 2986983684, 3484814298, 5227221447, 6969628596, 10454442894, 20908885788]

約数ペア:

[(1, 20908885788), (2, 10454442894), (3, 6969628596), (4, 5227221447), (6, 3484814298), (7, 2986983684), (9, 2323209532), (12, 1742407149), (14, 1493491842), (18, 1161604766), (21, 995661228), (28, 746745921), (36, 580802383), (42, 497830614), (63, 331887076), (84, 248915307), (126, 165943538), (252, 82971769)]