20122420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9403}}^1$

素因数の和:9519

約数の個数: 24

約数和(自身を含む): 42656544

約数和(自身を除く): 22534124

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9403, 18806, 37612, 47015, 94030, 188060, 1006121, 2012242, 4024484, 5030605, 10061210, 20122420]

約数ペア:

[(1, 20122420), (2, 10061210), (4, 5030605), (5, 4024484), (10, 2012242), (20, 1006121), (107, 188060), (214, 94030), (428, 47015), (535, 37612), (1070, 18806), (2140, 9403)]