20290072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2377}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 41947920

約数和(自身を除く): 21657848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2377, 4268, 4754, 8536, 9508, 19016, 26147, 52294, 104588, 209176, 230569, 461138, 922276, 1844552, 2536259, 5072518, 10145036, 20290072]

約数ペア:

[(1, 20290072), (2, 10145036), (4, 5072518), (8, 2536259), (11, 1844552), (22, 922276), (44, 461138), (88, 230569), (97, 209176), (194, 104588), (388, 52294), (776, 26147), (1067, 19016), (2134, 9508), (2377, 8536), (4268, 4754)]