20215335085

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{379}}^1\times {\mathrm{673}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 26978656320

約数和(自身を除く): 6763321235

約数列:

[1, 5, 11, 55, 121, 131, 379, 605, 655, 673, 1441, 1895, 3365, 4169, 7205, 7403, 15851, 20845, 37015, 45859, 49649, 79255, 81433, 88163, 229295, 248245, 255067, 407165, 440815, 546139, 969793, 1275335, 2730695, 2805737, 4848965, 6007529, 10667723, 14028685, 30037645, 30863107, 33413777, 53338615, 154315535, 167068885, 367551547, 1837757735, 4043067017, 20215335085]

約数ペア:

[(1, 20215335085), (5, 4043067017), (11, 1837757735), (55, 367551547), (121, 167068885), (131, 154315535), (379, 53338615), (605, 33413777), (655, 30863107), (673, 30037645), (1441, 14028685), (1895, 10667723), (3365, 6007529), (4169, 4848965), (7205, 2805737), (7403, 2730695), (15851, 1275335), (20845, 969793), (37015, 546139), (45859, 440815), (49649, 407165), (79255, 255067), (81433, 248245), (88163, 229295)]