20199562100

素因数分解:

$2^2\times 5^2\times {\mathrm{201995621}}^1$

素因数の和:201995635

約数の個数: 18

約数和(自身を含む): 43833049974

約数和(自身を除く): 23633487874

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201995621, 403991242, 807982484, 1009978105, 2019956210, 4039912420, 5049890525, 10099781050, 20199562100]

約数ペア:

[(1, 20199562100), (2, 10099781050), (4, 5049890525), (5, 4039912420), (10, 2019956210), (20, 1009978105), (25, 807982484), (50, 403991242), (100, 201995621)]