20681692

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4783}}^1$

素因数の和:4857

約数の個数: 24

約数和(自身を含む): 38578176

約数和(自身を除く): 17896484

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4783, 9566, 19132, 110009, 220018, 224801, 440036, 449602, 899204, 5170423, 10340846, 20681692]

約数ペア:

[(1, 20681692), (2, 10340846), (4, 5170423), (23, 899204), (46, 449602), (47, 440036), (92, 224801), (94, 220018), (188, 110009), (1081, 19132), (2162, 9566), (4324, 4783)]