20196100

素因数分解:

$2^2\times 5^2\times {\mathrm{201961}}^1$

素因数の和:201975

約数の個数: 18

約数和(自身を含む): 43825754

約数和(自身を除く): 23629654

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201961, 403922, 807844, 1009805, 2019610, 4039220, 5049025, 10098050, 20196100]

約数ペア:

[(1, 20196100), (2, 10098050), (4, 5049025), (5, 4039220), (10, 2019610), (20, 1009805), (25, 807844), (50, 403922), (100, 201961)]