20580216

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^2\times {\mathrm{1621}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 53817960

約数和(自身を除く): 33237744

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 529, 552, 1058, 1587, 1621, 2116, 3174, 3242, 4232, 4863, 6348, 6484, 9726, 12696, 12968, 19452, 37283, 38904, 74566, 111849, 149132, 223698, 298264, 447396, 857509, 894792, 1715018, 2572527, 3430036, 5145054, 6860072, 10290108, 20580216]

約数ペア:

[(1, 20580216), (2, 10290108), (3, 6860072), (4, 5145054), (6, 3430036), (8, 2572527), (12, 1715018), (23, 894792), (24, 857509), (46, 447396), (69, 298264), (92, 223698), (138, 149132), (184, 111849), (276, 74566), (529, 38904), (552, 37283), (1058, 19452), (1587, 12968), (1621, 12696), (2116, 9726), (3174, 6484), (3242, 6348), (4232, 4863)]