201043340

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{20641}}^1$

素因数の和:21137

約数の個数: 24

約数和(自身を含む): 423078432

約数和(自身を除く): 222035092

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 20641, 41282, 82564, 103205, 206410, 412820, 10052167, 20104334, 40208668, 50260835, 100521670, 201043340]

約数ペア:

[(1, 201043340), (2, 100521670), (4, 50260835), (5, 40208668), (10, 20104334), (20, 10052167), (487, 412820), (974, 206410), (1948, 103205), (2435, 82564), (4870, 41282), (9740, 20641)]