2045781380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{905213}}^1$

素因数の和:905335

約数の個数: 24

約数和(自身を含む): 4334164632

約数和(自身を除く): 2288383252

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 905213, 1810426, 3620852, 4526065, 9052130, 18104260, 102289069, 204578138, 409156276, 511445345, 1022890690, 2045781380]

約数ペア:

[(1, 2045781380), (2, 1022890690), (4, 511445345), (5, 409156276), (10, 204578138), (20, 102289069), (113, 18104260), (226, 9052130), (452, 4526065), (565, 3620852), (1130, 1810426), (2260, 905213)]