20755952

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3943}}^1$

素因数の和:4005

約数の個数: 40

約数和(自身を含む): 46949376

約数和(自身を除く): 26193424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 3943, 5264, 7886, 15772, 27601, 31544, 55202, 63088, 110404, 185321, 220808, 370642, 441616, 741284, 1297247, 1482568, 2594494, 2965136, 5188988, 10377976, 20755952]

約数ペア:

[(1, 20755952), (2, 10377976), (4, 5188988), (7, 2965136), (8, 2594494), (14, 1482568), (16, 1297247), (28, 741284), (47, 441616), (56, 370642), (94, 220808), (112, 185321), (188, 110404), (329, 63088), (376, 55202), (658, 31544), (752, 27601), (1316, 15772), (2632, 7886), (3943, 5264)]