979742020

素因数分解:

$2^2\times 5^1\times {\mathrm{48987101}}^1$

素因数の和:48987110

約数の個数: 12

約数和(自身を含む): 2057458284

約数和(自身を除く): 1077716264

約数列:

[1, 2, 4, 5, 10, 20, 48987101, 97974202, 195948404, 244935505, 489871010, 979742020]

約数ペア:

[(1, 979742020), (2, 489871010), (4, 244935505), (5, 195948404), (10, 97974202), (20, 48987101)]