20714386

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4390

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 19283054

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4339, 4774, 8678, 30373, 47729, 60746, 95458, 134509, 269018, 334103, 668206, 941563, 1479599, 1883126, 2959198, 10357193, 20714386]

約数ペア:

[(1, 20714386), (2, 10357193), (7, 2959198), (11, 1883126), (14, 1479599), (22, 941563), (31, 668206), (62, 334103), (77, 269018), (154, 134509), (217, 95458), (341, 60746), (434, 47729), (682, 30373), (2387, 8678), (4339, 4774)]