20200399460

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9439439}}^1$

素因数の和:9439555

約数の個数: 24

約数和(自身を含む): 42817299840

約数和(自身を除く): 22616900380

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9439439, 18878878, 37757756, 47197195, 94394390, 188788780, 1010019973, 2020039946, 4040079892, 5050099865, 10100199730, 20200399460]

約数ペア:

[(1, 20200399460), (2, 10100199730), (4, 5050099865), (5, 4040079892), (10, 2020039946), (20, 1010019973), (107, 188788780), (214, 94394390), (428, 47197195), (535, 37757756), (1070, 18878878), (2140, 9439439)]