20337457

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 5928143

約数列:

[1, 7, 17, 31, 37, 119, 149, 217, 259, 527, 629, 1043, 1147, 2533, 3689, 4403, 4619, 5513, 8029, 17731, 19499, 32333, 38591, 78523, 93721, 136493, 170903, 549661, 656047, 1196321, 2905351, 20337457]

約数ペア:

[(1, 20337457), (7, 2905351), (17, 1196321), (31, 656047), (37, 549661), (119, 170903), (149, 136493), (217, 93721), (259, 78523), (527, 38591), (629, 32333), (1043, 19499), (1147, 17731), (2533, 8029), (3689, 5513), (4403, 4619)]