20161495540

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1216013}}^1$

素因数の和:1216851

約数の個数: 24

約数和(自身を含む): 42390248040

約数和(自身を除く): 22228752500

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4145, 8290, 16580, 1216013, 2432026, 4864052, 6080065, 12160130, 24320260, 1008074777, 2016149554, 4032299108, 5040373885, 10080747770, 20161495540]

約数ペア:

[(1, 20161495540), (2, 10080747770), (4, 5040373885), (5, 4032299108), (10, 2016149554), (20, 1008074777), (829, 24320260), (1658, 12160130), (3316, 6080065), (4145, 4864052), (8290, 2432026), (16580, 1216013)]