20382100

素因数分解:

$2^2\times 5^2\times {\mathrm{203821}}^1$

素因数の和:203835

約数の個数: 18

約数和(自身を含む): 44229374

約数和(自身を除く): 23847274

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 203821, 407642, 815284, 1019105, 2038210, 4076420, 5095525, 10191050, 20382100]

約数ペア:

[(1, 20382100), (2, 10191050), (4, 5095525), (5, 4076420), (10, 2038210), (20, 1019105), (25, 815284), (50, 407642), (100, 203821)]