20796809096

素因数分解:

$2^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{907999}}^1$

素因数の和:908421

約数の個数: 32

約数和(自身を含む): 44673600000

約数和(自身を除く): 23876790904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 409, 818, 1636, 2863, 3272, 5726, 11452, 22904, 907999, 1815998, 3631996, 6355993, 7263992, 12711986, 25423972, 50847944, 371371591, 742743182, 1485486364, 2599601137, 2970972728, 5199202274, 10398404548, 20796809096]

約数ペア:

[(1, 20796809096), (2, 10398404548), (4, 5199202274), (7, 2970972728), (8, 2599601137), (14, 1485486364), (28, 742743182), (56, 371371591), (409, 50847944), (818, 25423972), (1636, 12711986), (2863, 7263992), (3272, 6355993), (5726, 3631996), (11452, 1815998), (22904, 907999)]