20198530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16693}}^1$

素因数の和:16722

約数の個数: 24

約数和(自身を含む): 39965436

約数和(自身を除く): 19766906

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16693, 33386, 83465, 166930, 183623, 367246, 918115, 1836230, 2019853, 4039706, 10099265, 20198530]

約数ペア:

[(1, 20198530), (2, 10099265), (5, 4039706), (10, 2019853), (11, 1836230), (22, 918115), (55, 367246), (110, 183623), (121, 166930), (242, 83465), (605, 33386), (1210, 16693)]