20100618260

素因数分解:

$2^2\times 5^1\times {\mathrm{1005030913}}^1$

素因数の和:1005030922

約数の個数: 12

約数和(自身を含む): 42211298388

約数和(自身を除く): 22110680128

約数列:

[1, 2, 4, 5, 10, 20, 1005030913, 2010061826, 4020123652, 5025154565, 10050309130, 20100618260]

約数ペア:

[(1, 20100618260), (2, 10050309130), (4, 5025154565), (5, 4020123652), (10, 2010061826), (20, 1005030913)]