20825896

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28607}}^1$

素因数の和:28633

約数の個数: 32

約数和(自身を含む): 48061440

約数和(自身を除く): 27235544

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28607, 57214, 114428, 200249, 228856, 371891, 400498, 743782, 800996, 1487564, 1601992, 2603237, 2975128, 5206474, 10412948, 20825896]

約数ペア:

[(1, 20825896), (2, 10412948), (4, 5206474), (7, 2975128), (8, 2603237), (13, 1601992), (14, 1487564), (26, 800996), (28, 743782), (52, 400498), (56, 371891), (91, 228856), (104, 200249), (182, 114428), (364, 57214), (728, 28607)]