20937546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1553}}^1$

素因数の和:1675

約数の個数: 48

約数和(自身を含む): 52363584

約数和(自身を除く): 31426038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1498, 1553, 1926, 2247, 3106, 4494, 4659, 6741, 9318, 10871, 13482, 13977, 21742, 27954, 32613, 65226, 97839, 166171, 195678, 332342, 498513, 997026, 1163197, 1495539, 2326394, 2991078, 3489591, 6979182, 10468773, 20937546]

約数ペア:

[(1, 20937546), (2, 10468773), (3, 6979182), (6, 3489591), (7, 2991078), (9, 2326394), (14, 1495539), (18, 1163197), (21, 997026), (42, 498513), (63, 332342), (107, 195678), (126, 166171), (214, 97839), (321, 65226), (642, 32613), (749, 27954), (963, 21742), (1498, 13977), (1553, 13482), (1926, 10871), (2247, 9318), (3106, 6741), (4494, 4659)]