20203954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4969}}^1$

素因数の和:5097

約数の個数: 16

約数和(自身を含む): 32205600

約数和(自身を除く): 12001646

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 4969, 9938, 94411, 188822, 531683, 1063366, 10101977, 20203954]

約数ペア:

[(1, 20203954), (2, 10101977), (19, 1063366), (38, 531683), (107, 188822), (214, 94411), (2033, 9938), (4066, 4969)]