20783124

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{2521}}^1$

素因数の和:2760

約数の個数: 36

約数和(自身を含む): 52785460

約数和(自身を除く): 32002336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1374, 2061, 2521, 2748, 4122, 5042, 7563, 8244, 10084, 15126, 22689, 30252, 45378, 90756, 577309, 1154618, 1731927, 2309236, 3463854, 5195781, 6927708, 10391562, 20783124]

約数ペア:

[(1, 20783124), (2, 10391562), (3, 6927708), (4, 5195781), (6, 3463854), (9, 2309236), (12, 1731927), (18, 1154618), (36, 577309), (229, 90756), (458, 45378), (687, 30252), (916, 22689), (1374, 15126), (2061, 10084), (2521, 8244), (2748, 7563), (4122, 5042)]