20543348

素因数分解:

$2^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 42081732

約数和(自身を除く): 21538384

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 281, 373, 562, 746, 1124, 1492, 1967, 2611, 3934, 5222, 7868, 10444, 13769, 18277, 27538, 36554, 55076, 73108, 104813, 209626, 419252, 733691, 1467382, 2934764, 5135837, 10271674, 20543348]

約数ペア:

[(1, 20543348), (2, 10271674), (4, 5135837), (7, 2934764), (14, 1467382), (28, 733691), (49, 419252), (98, 209626), (196, 104813), (281, 73108), (373, 55076), (562, 36554), (746, 27538), (1124, 18277), (1492, 13769), (1967, 10444), (2611, 7868), (3934, 5222)]