20790160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11299}}^1$

素因数の和:11335

約数の個数: 40

約数和(自身を含む): 50443200

約数和(自身を除く): 29653040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11299, 22598, 45196, 56495, 90392, 112990, 180784, 225980, 259877, 451960, 519754, 903920, 1039508, 1299385, 2079016, 2598770, 4158032, 5197540, 10395080, 20790160]

約数ペア:

[(1, 20790160), (2, 10395080), (4, 5197540), (5, 4158032), (8, 2598770), (10, 2079016), (16, 1299385), (20, 1039508), (23, 903920), (40, 519754), (46, 451960), (80, 259877), (92, 225980), (115, 180784), (184, 112990), (230, 90392), (368, 56495), (460, 45196), (920, 22598), (1840, 11299)]