20689272

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16903}}^1$

素因数の和:16932

約数の個数: 48

約数和(自身を含む): 59333040

約数和(自身を除く): 38643768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 16903, 33806, 50709, 67612, 101418, 135224, 152127, 202836, 287351, 304254, 405672, 574702, 608508, 862053, 1149404, 1217016, 1724106, 2298808, 2586159, 3448212, 5172318, 6896424, 10344636, 20689272]

約数ペア:

[(1, 20689272), (2, 10344636), (3, 6896424), (4, 5172318), (6, 3448212), (8, 2586159), (9, 2298808), (12, 1724106), (17, 1217016), (18, 1149404), (24, 862053), (34, 608508), (36, 574702), (51, 405672), (68, 304254), (72, 287351), (102, 202836), (136, 152127), (153, 135224), (204, 101418), (306, 67612), (408, 50709), (612, 33806), (1224, 16903)]