201818020

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{26347}}^1$

素因数の和:26739

約数の個数: 24

約数和(自身を含む): 424940544

約数和(自身を除く): 223122524

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 26347, 52694, 105388, 131735, 263470, 526940, 10090901, 20181802, 40363604, 50454505, 100909010, 201818020]

約数ペア:

[(1, 201818020), (2, 100909010), (4, 50454505), (5, 40363604), (10, 20181802), (20, 10090901), (383, 526940), (766, 263470), (1532, 131735), (1915, 105388), (3830, 52694), (7660, 26347)]