20199290998

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1\times {\mathrm{180161}}^1$

素因数の和:181143

約数の個数: 16

約数和(自身を含む): 30829321440

約数和(自身を除く): 10630030442

約数列:

[1, 2, 61, 122, 919, 1838, 56059, 112118, 180161, 360322, 10989821, 21979642, 165567959, 331135918, 10099645499, 20199290998]

約数ペア:

[(1, 20199290998), (2, 10099645499), (61, 331135918), (122, 165567959), (919, 21979642), (1838, 10989821), (56059, 360322), (112118, 180161)]