20164852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 18905228

約数列:

[1, 2, 4, 19, 37, 38, 71, 74, 76, 101, 142, 148, 202, 284, 404, 703, 1349, 1406, 1919, 2627, 2698, 2812, 3737, 3838, 5254, 5396, 7171, 7474, 7676, 10508, 14342, 14948, 28684, 49913, 71003, 99826, 136249, 142006, 199652, 265327, 272498, 284012, 530654, 544996, 1061308, 5041213, 10082426, 20164852]

約数ペア:

[(1, 20164852), (2, 10082426), (4, 5041213), (19, 1061308), (37, 544996), (38, 530654), (71, 284012), (74, 272498), (76, 265327), (101, 199652), (142, 142006), (148, 136249), (202, 99826), (284, 71003), (404, 49913), (703, 28684), (1349, 14948), (1406, 14342), (1919, 10508), (2627, 7676), (2698, 7474), (2812, 7171), (3737, 5396), (3838, 5254)]