20954628

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3571}}^1$

素因数の和:3744

約数の個数: 36

約数和(自身を含む): 53308528

約数和(自身を除く): 32353900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3571, 5868, 7142, 10713, 14284, 21426, 32139, 42852, 64278, 128556, 582073, 1164146, 1746219, 2328292, 3492438, 5238657, 6984876, 10477314, 20954628]

約数ペア:

[(1, 20954628), (2, 10477314), (3, 6984876), (4, 5238657), (6, 3492438), (9, 2328292), (12, 1746219), (18, 1164146), (36, 582073), (163, 128556), (326, 64278), (489, 42852), (652, 32139), (978, 21426), (1467, 14284), (1956, 10713), (2934, 7142), (3571, 5868)]