20510392

素因数分解:

$2^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{677}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 44097120

約数和(自身を除く): 23586728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 541, 677, 1082, 1354, 2164, 2708, 3787, 4328, 4739, 5416, 7574, 9478, 15148, 18956, 30296, 37912, 366257, 732514, 1465028, 2563799, 2930056, 5127598, 10255196, 20510392]

約数ペア:

[(1, 20510392), (2, 10255196), (4, 5127598), (7, 2930056), (8, 2563799), (14, 1465028), (28, 732514), (56, 366257), (541, 37912), (677, 30296), (1082, 18956), (1354, 15148), (2164, 9478), (2708, 7574), (3787, 5416), (4328, 4739)]