20128080770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287544011}}^1$

素因数の和:287544025

約数の個数: 16

約数和(自身を含む): 41406337728

約数和(自身を除く): 21278256958

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287544011, 575088022, 1437720055, 2012808077, 2875440110, 4025616154, 10064040385, 20128080770]

約数ペア:

[(1, 20128080770), (2, 10064040385), (5, 4025616154), (7, 2875440110), (10, 2012808077), (14, 1437720055), (35, 575088022), (70, 287544011)]