20862860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9749}}^1$

素因数の和:9865

約数の個数: 24

約数和(自身を含む): 44226000

約数和(自身を除く): 23363140

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9749, 19498, 38996, 48745, 97490, 194980, 1043143, 2086286, 4172572, 5215715, 10431430, 20862860]

約数ペア:

[(1, 20862860), (2, 10431430), (4, 5215715), (5, 4172572), (10, 2086286), (20, 1043143), (107, 194980), (214, 97490), (428, 48745), (535, 38996), (1070, 19498), (2140, 9749)]