84042020

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{3181}}^1$

素因数の和:4511

約数の個数: 24

約数和(自身を含む): 176677368

約数和(自身を除く): 92635348

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 3181, 5284, 6362, 6605, 12724, 13210, 15905, 26420, 31810, 63620, 4202101, 8404202, 16808404, 21010505, 42021010, 84042020]

約数ペア:

[(1, 84042020), (2, 42021010), (4, 21010505), (5, 16808404), (10, 8404202), (20, 4202101), (1321, 63620), (2642, 31810), (3181, 26420), (5284, 15905), (6362, 13210), (6605, 12724)]