20000722

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1607}}^1$

素因数の和:1750

約数の個数: 24

約数和(自身を含む): 35195904

約数和(自身を除く): 15195182

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1607, 1778, 3214, 6223, 11249, 12446, 22498, 78743, 157486, 204089, 408178, 1428623, 2857246, 10000361, 20000722]

約数ペア:

[(1, 20000722), (2, 10000361), (7, 2857246), (14, 1428623), (49, 408178), (98, 204089), (127, 157486), (254, 78743), (889, 22498), (1607, 12446), (1778, 11249), (3214, 6223)]