20673172.000000000

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{44269}}^1$

素因数の和:44329

約数の個数: 32

約数和(自身を含む): 254995200

約数和(自身を除く): 138479192

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 44269, 88538, 177076, 309883, 354152, 619766, 1239532, 2080643, 2479064, 4161286, 8322572, 14564501, 16645144, 29129002, 58258004, 116516008]

約数ペア:

[(1, 116516008), (2, 58258004), (4, 29129002), (7, 16645144), (8, 14564501), (14, 8322572), (28, 4161286), (47, 2479064), (56, 2080643), (94, 1239532), (188, 619766), (329, 354152), (376, 309883), (658, 177076), (1316, 88538), (2632, 44269)]