20938310

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20731}}^1$

素因数の和:20839

約数の個数: 16

約数和(自身を含む): 38063952

約数和(自身を除く): 17125642

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 20731, 41462, 103655, 207310, 2093831, 4187662, 10469155, 20938310]

約数ペア:

[(1, 20938310), (2, 10469155), (5, 4187662), (10, 2093831), (101, 207310), (202, 103655), (505, 41462), (1010, 20731)]