20781609606

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{1063}}^1\times {\mathrm{11197}}^1$

素因数の和:12365

約数の個数: 48

約数和(自身を含む): 45537876384

約数和(自身を除く): 24756266778

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1063, 1746, 2126, 3189, 6378, 9567, 11197, 19134, 22394, 33591, 67182, 100773, 103111, 201546, 206222, 309333, 618666, 927999, 1086109, 1855998, 2172218, 3258327, 6516654, 9774981, 11902411, 19549962, 23804822, 35707233, 71414466, 107121699, 214243398, 1154533867, 2309067734, 3463601601, 6927203202, 10390804803, 20781609606]

約数ペア:

[(1, 20781609606), (2, 10390804803), (3, 6927203202), (6, 3463601601), (9, 2309067734), (18, 1154533867), (97, 214243398), (194, 107121699), (291, 71414466), (582, 35707233), (873, 23804822), (1063, 19549962), (1746, 11902411), (2126, 9774981), (3189, 6516654), (6378, 3258327), (9567, 2172218), (11197, 1855998), (19134, 1086109), (22394, 927999), (33591, 618666), (67182, 309333), (100773, 206222), (103111, 201546)]