20453816

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 40035600

約数和(自身を除く): 19581784

約数列:

[1, 2, 4, 8, 29, 58, 116, 131, 232, 262, 524, 673, 1048, 1346, 2692, 3799, 5384, 7598, 15196, 19517, 30392, 39034, 78068, 88163, 156136, 176326, 352652, 705304, 2556727, 5113454, 10226908, 20453816]

約数ペア:

[(1, 20453816), (2, 10226908), (4, 5113454), (8, 2556727), (29, 705304), (58, 352652), (116, 176326), (131, 156136), (232, 88163), (262, 78068), (524, 39034), (673, 30392), (1048, 19517), (1346, 15196), (2692, 7598), (3799, 5384)]