20036618

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 35779968

約数和(自身を除く): 15743350

約数列:

[1, 2, 7, 14, 41, 67, 82, 134, 287, 469, 521, 574, 938, 1042, 2747, 3647, 5494, 7294, 19229, 21361, 34907, 38458, 42722, 69814, 149527, 244349, 299054, 488698, 1431187, 2862374, 10018309, 20036618]

約数ペア:

[(1, 20036618), (2, 10018309), (7, 2862374), (14, 1431187), (41, 488698), (67, 299054), (82, 244349), (134, 149527), (287, 69814), (469, 42722), (521, 38458), (574, 34907), (938, 21361), (1042, 19229), (2747, 7294), (3647, 5494)]