2009705990

素因数分解:

$2^1\times 5^1\times {\mathrm{17923}}^1\times {\mathrm{11213}}^1$

素因数の和:29143

約数の個数: 16

約数和(自身を含む): 3617995248

約数和(自身を除く): 1608289258

約数列:

[1, 2, 5, 10, 11213, 17923, 22426, 35846, 56065, 89615, 112130, 179230, 200970599, 401941198, 1004852995, 2009705990]

約数ペア:

[(1, 2009705990), (2, 1004852995), (5, 401941198), (10, 200970599), (11213, 179230), (17923, 112130), (22426, 89615), (35846, 56065)]