20650672

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3923}}^1$

素因数の和:3985

約数の個数: 40

約数和(自身を含む): 46711296

約数和(自身を除く): 26060624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 3923, 5264, 7846, 15692, 27461, 31384, 54922, 62768, 109844, 184381, 219688, 368762, 439376, 737524, 1290667, 1475048, 2581334, 2950096, 5162668, 10325336, 20650672]

約数ペア:

[(1, 20650672), (2, 10325336), (4, 5162668), (7, 2950096), (8, 2581334), (14, 1475048), (16, 1290667), (28, 737524), (47, 439376), (56, 368762), (94, 219688), (112, 184381), (188, 109844), (329, 62768), (376, 54922), (658, 31384), (752, 27461), (1316, 15692), (2632, 7846), (3923, 5264)]