20692168

素因数分解:

$2^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{683}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 44487360

約数和(自身を除く): 23795192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 541, 683, 1082, 1366, 2164, 2732, 3787, 4328, 4781, 5464, 7574, 9562, 15148, 19124, 30296, 38248, 369503, 739006, 1478012, 2586521, 2956024, 5173042, 10346084, 20692168]

約数ペア:

[(1, 20692168), (2, 10346084), (4, 5173042), (7, 2956024), (8, 2586521), (14, 1478012), (28, 739006), (56, 369503), (541, 38248), (683, 30296), (1082, 19124), (1366, 15148), (2164, 9562), (2732, 7574), (3787, 5464), (4328, 4781)]