20908008

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26399}}^1$

素因数の和:26422

約数の個数: 48

約数和(自身を含む): 61776000

約数和(自身を除く): 40867992

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26399, 52798, 79197, 105596, 158394, 211192, 237591, 290389, 316788, 475182, 580778, 633576, 871167, 950364, 1161556, 1742334, 1900728, 2323112, 2613501, 3484668, 5227002, 6969336, 10454004, 20908008]

約数ペア:

[(1, 20908008), (2, 10454004), (3, 6969336), (4, 5227002), (6, 3484668), (8, 2613501), (9, 2323112), (11, 1900728), (12, 1742334), (18, 1161556), (22, 950364), (24, 871167), (33, 633576), (36, 580778), (44, 475182), (66, 316788), (72, 290389), (88, 237591), (99, 211192), (132, 158394), (198, 105596), (264, 79197), (396, 52798), (792, 26399)]