20199304420

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{577}}^1\times {\mathrm{4409}}^1$

素因数の和:5392

約数の個数: 48

約数和(自身を含む): 42608749680

約数和(自身を除く): 22409445260

約数列:

[1, 2, 4, 5, 10, 20, 397, 577, 794, 1154, 1588, 1985, 2308, 2885, 3970, 4409, 5770, 7940, 8818, 11540, 17636, 22045, 44090, 88180, 229069, 458138, 916276, 1145345, 1750373, 2290690, 2543993, 3500746, 4581380, 5087986, 7001492, 8751865, 10175972, 12719965, 17503730, 25439930, 35007460, 50879860, 1009965221, 2019930442, 4039860884, 5049826105, 10099652210, 20199304420]

約数ペア:

[(1, 20199304420), (2, 10099652210), (4, 5049826105), (5, 4039860884), (10, 2019930442), (20, 1009965221), (397, 50879860), (577, 35007460), (794, 25439930), (1154, 17503730), (1588, 12719965), (1985, 10175972), (2308, 8751865), (2885, 7001492), (3970, 5087986), (4409, 4581380), (5770, 3500746), (7940, 2543993), (8818, 2290690), (11540, 1750373), (17636, 1145345), (22045, 916276), (44090, 458138), (88180, 229069)]