20661216

素因数分解:

$2^5\times 3^1\times {\mathrm{373}}^1\times {\mathrm{577}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 54475344

約数和(自身を除く): 33814128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 373, 577, 746, 1119, 1154, 1492, 1731, 2238, 2308, 2984, 3462, 4476, 4616, 5968, 6924, 8952, 9232, 11936, 13848, 17904, 18464, 27696, 35808, 55392, 215221, 430442, 645663, 860884, 1291326, 1721768, 2582652, 3443536, 5165304, 6887072, 10330608, 20661216]

約数ペア:

[(1, 20661216), (2, 10330608), (3, 6887072), (4, 5165304), (6, 3443536), (8, 2582652), (12, 1721768), (16, 1291326), (24, 860884), (32, 645663), (48, 430442), (96, 215221), (373, 55392), (577, 35808), (746, 27696), (1119, 18464), (1154, 17904), (1492, 13848), (1731, 11936), (2238, 9232), (2308, 8952), (2984, 6924), (3462, 5968), (4476, 4616)]