2020144910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{7213}}^1\times {\mathrm{4001}}^1$

素因数の和:11228

約数の個数: 32

約数和(自身を含む): 4157341632

約数和(自身を除く): 2137196722

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4001, 7213, 8002, 14426, 20005, 28007, 36065, 40010, 50491, 56014, 72130, 100982, 140035, 252455, 280070, 504910, 28859213, 57718426, 144296065, 202014491, 288592130, 404028982, 1010072455, 2020144910]

約数ペア:

[(1, 2020144910), (2, 1010072455), (5, 404028982), (7, 288592130), (10, 202014491), (14, 144296065), (35, 57718426), (70, 28859213), (4001, 504910), (7213, 280070), (8002, 252455), (14426, 140035), (20005, 100982), (28007, 72130), (36065, 56014), (40010, 50491)]