20363770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{691}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 42051456

約数和(自身を除く): 21687686

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 691, 842, 1382, 2105, 2947, 3455, 4210, 4837, 5894, 6910, 9674, 14735, 24185, 29470, 48370, 290911, 581822, 1454555, 2036377, 2909110, 4072754, 10181885, 20363770]

約数ペア:

[(1, 20363770), (2, 10181885), (5, 4072754), (7, 2909110), (10, 2036377), (14, 1454555), (35, 581822), (70, 290911), (421, 48370), (691, 29470), (842, 24185), (1382, 14735), (2105, 9674), (2947, 6910), (3455, 5894), (4210, 4837)]