20783904

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9413}}^1$

素因数の和:9449

約数の個数: 48

約数和(自身を含む): 56935872

約数和(自身を除く): 36151968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9413, 18826, 28239, 37652, 56478, 75304, 112956, 150608, 216499, 225912, 301216, 432998, 451824, 649497, 865996, 903648, 1298994, 1731992, 2597988, 3463984, 5195976, 6927968, 10391952, 20783904]

約数ペア:

[(1, 20783904), (2, 10391952), (3, 6927968), (4, 5195976), (6, 3463984), (8, 2597988), (12, 1731992), (16, 1298994), (23, 903648), (24, 865996), (32, 649497), (46, 451824), (48, 432998), (69, 301216), (92, 225912), (96, 216499), (138, 150608), (184, 112956), (276, 75304), (368, 56478), (552, 37652), (736, 28239), (1104, 18826), (2208, 9413)]