20551236

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3919}}^1$

素因数の和:3968

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 32133564

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 3919, 5244, 7838, 11757, 15676, 23514, 47028, 74461, 90137, 148922, 180274, 223383, 270411, 297844, 360548, 446766, 540822, 893532, 1081644, 1712603, 3425206, 5137809, 6850412, 10275618, 20551236]

約数ペア:

[(1, 20551236), (2, 10275618), (3, 6850412), (4, 5137809), (6, 3425206), (12, 1712603), (19, 1081644), (23, 893532), (38, 540822), (46, 446766), (57, 360548), (69, 297844), (76, 270411), (92, 223383), (114, 180274), (138, 148922), (228, 90137), (276, 74461), (437, 47028), (874, 23514), (1311, 15676), (1748, 11757), (2622, 7838), (3919, 5244)]