1997681020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{988951}}^1$

素因数の和:989061

約数の個数: 24

約数和(自身を含む): 4236670368

約数和(自身を除く): 2238989348

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 988951, 1977902, 3955804, 4944755, 9889510, 19779020, 99884051, 199768102, 399536204, 499420255, 998840510, 1997681020]

約数ペア:

[(1, 1997681020), (2, 998840510), (4, 499420255), (5, 399536204), (10, 199768102), (20, 99884051), (101, 19779020), (202, 9889510), (404, 4944755), (505, 3955804), (1010, 1977902), (2020, 988951)]