20719926

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 26336538

約数列:

[1, 2, 3, 6, 9, 18, 37, 53, 74, 106, 111, 159, 222, 318, 333, 477, 587, 666, 954, 1174, 1761, 1961, 3522, 3922, 5283, 5883, 10566, 11766, 17649, 21719, 31111, 35298, 43438, 62222, 65157, 93333, 130314, 186666, 195471, 279999, 390942, 559998, 1151107, 2302214, 3453321, 6906642, 10359963, 20719926]

約数ペア:

[(1, 20719926), (2, 10359963), (3, 6906642), (6, 3453321), (9, 2302214), (18, 1151107), (37, 559998), (53, 390942), (74, 279999), (106, 195471), (111, 186666), (159, 130314), (222, 93333), (318, 65157), (333, 62222), (477, 43438), (587, 35298), (666, 31111), (954, 21719), (1174, 17649), (1761, 11766), (1961, 10566), (3522, 5883), (3922, 5283)]