20887055

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^2$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 29652768

約数和(自身を除く): 8765713

約数列:

[1, 5, 7, 35, 37, 127, 185, 259, 635, 889, 1295, 4445, 4699, 16129, 23495, 32893, 80645, 112903, 164465, 564515, 596773, 2983865, 4177411, 20887055]

約数ペア:

[(1, 20887055), (5, 4177411), (7, 2983865), (35, 596773), (37, 564515), (127, 164465), (185, 112903), (259, 80645), (635, 32893), (889, 23495), (1295, 16129), (4445, 4699)]