20115784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1523}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 40965120

約数和(自身を除く): 20849336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1523, 1651, 3046, 3302, 6092, 6604, 12184, 13208, 19799, 39598, 79196, 158392, 193421, 386842, 773684, 1547368, 2514473, 5028946, 10057892, 20115784]

約数ペア:

[(1, 20115784), (2, 10057892), (4, 5028946), (8, 2514473), (13, 1547368), (26, 773684), (52, 386842), (104, 193421), (127, 158392), (254, 79196), (508, 39598), (1016, 19799), (1523, 13208), (1651, 12184), (3046, 6604), (3302, 6092)]