20378938370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4391}}^1\times {\mathrm{66301}}^1$

素因数の和:70706

約数の個数: 32

約数和(自身を含む): 41932567296

約数和(自身を除く): 21553628926

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4391, 8782, 21955, 30737, 43910, 61474, 66301, 132602, 153685, 307370, 331505, 464107, 663010, 928214, 2320535, 4641070, 291127691, 582255382, 1455638455, 2037893837, 2911276910, 4075787674, 10189469185, 20378938370]

約数ペア:

[(1, 20378938370), (2, 10189469185), (5, 4075787674), (7, 2911276910), (10, 2037893837), (14, 1455638455), (35, 582255382), (70, 291127691), (4391, 4641070), (8782, 2320535), (21955, 928214), (30737, 663010), (43910, 464107), (61474, 331505), (66301, 307370), (132602, 153685)]