19821220

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2657}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 41751864

約数和(自身を除く): 21930644

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2657, 3730, 5314, 7460, 10628, 13285, 26570, 53140, 991061, 1982122, 3964244, 4955305, 9910610, 19821220]

約数ペア:

[(1, 19821220), (2, 9910610), (4, 4955305), (5, 3964244), (10, 1982122), (20, 991061), (373, 53140), (746, 26570), (1492, 13285), (1865, 10628), (2657, 7460), (3730, 5314)]