18068020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8443}}^1$

素因数の和:8559

約数の個数: 24

約数和(自身を含む): 38301984

約数和(自身を除く): 20233964

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8443, 16886, 33772, 42215, 84430, 168860, 903401, 1806802, 3613604, 4517005, 9034010, 18068020]

約数ペア:

[(1, 18068020), (2, 9034010), (4, 4517005), (5, 3613604), (10, 1806802), (20, 903401), (107, 168860), (214, 84430), (428, 42215), (535, 33772), (1070, 16886), (2140, 8443)]