20388168

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16657}}^1$

素因数の和:16686

約数の個数: 48

約数和(自身を含む): 58469580

約数和(自身を除く): 38081412

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, 16657, 33314, 49971, 66628, 99942, 133256, 149913, 199884, 283169, 299826, 399768, 566338, 599652, 849507, 1132676, 1199304, 1699014, 2265352, 2548521, 3398028, 5097042, 6796056, 10194084, 20388168]

約数ペア:

[(1, 20388168), (2, 10194084), (3, 6796056), (4, 5097042), (6, 3398028), (8, 2548521), (9, 2265352), (12, 1699014), (17, 1199304), (18, 1132676), (24, 849507), (34, 599652), (36, 566338), (51, 399768), (68, 299826), (72, 283169), (102, 199884), (136, 149913), (153, 133256), (204, 99942), (306, 66628), (408, 49971), (612, 33314), (1224, 16657)]