20807963372

素因数分解:

$2^2\times 7^1\times {\mathrm{4129}}^1\times {\mathrm{179981}}^1$

素因数の和:184121

約数の個数: 24

約数和(自身を含む): 41626236960

約数和(自身を除く): 20818273588

約数列:

[1, 2, 4, 7, 14, 28, 4129, 8258, 16516, 28903, 57806, 115612, 179981, 359962, 719924, 1259867, 2519734, 5039468, 743141549, 1486283098, 2972566196, 5201990843, 10403981686, 20807963372]

約数ペア:

[(1, 20807963372), (2, 10403981686), (4, 5201990843), (7, 2972566196), (14, 1486283098), (28, 743141549), (4129, 5039468), (8258, 2519734), (16516, 1259867), (28903, 719924), (57806, 359962), (115612, 179981)]