20549868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 50843520

約数和(自身を除く): 30293652

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 193, 228, 386, 467, 579, 772, 934, 1158, 1401, 1868, 2316, 2802, 3667, 5604, 7334, 8873, 11001, 14668, 17746, 22002, 26619, 35492, 44004, 53238, 90131, 106476, 180262, 270393, 360524, 540786, 1081572, 1712489, 3424978, 5137467, 6849956, 10274934, 20549868]

約数ペア:

[(1, 20549868), (2, 10274934), (3, 6849956), (4, 5137467), (6, 3424978), (12, 1712489), (19, 1081572), (38, 540786), (57, 360524), (76, 270393), (114, 180262), (193, 106476), (228, 90131), (386, 53238), (467, 44004), (579, 35492), (772, 26619), (934, 22002), (1158, 17746), (1401, 14668), (1868, 11001), (2316, 8873), (2802, 7334), (3667, 5604)]