20168949280

素因数分解:

$2^5\times 5^1\times {\mathrm{10369}}^1\times {\mathrm{12157}}^1$

素因数の和:22541

約数の個数: 48

約数和(自身を含む): 47657657880

約数和(自身を除く): 27488708600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 10369, 12157, 20738, 24314, 41476, 48628, 51845, 60785, 82952, 97256, 103690, 121570, 165904, 194512, 207380, 243140, 331808, 389024, 414760, 486280, 829520, 972560, 1659040, 1945120, 126055933, 252111866, 504223732, 630279665, 1008447464, 1260559330, 2016894928, 2521118660, 4033789856, 5042237320, 10084474640, 20168949280]

約数ペア:

[(1, 20168949280), (2, 10084474640), (4, 5042237320), (5, 4033789856), (8, 2521118660), (10, 2016894928), (16, 1260559330), (20, 1008447464), (32, 630279665), (40, 504223732), (80, 252111866), (160, 126055933), (10369, 1945120), (12157, 1659040), (20738, 972560), (24314, 829520), (41476, 486280), (48628, 414760), (51845, 389024), (60785, 331808), (82952, 243140), (97256, 207380), (103690, 194512), (121570, 165904)]