20207408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97151}}^1$

素因数の和:97172

約数の個数: 20

約数和(自身を含む): 42163968

約数和(自身を除く): 21956560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97151, 194302, 388604, 777208, 1262963, 1554416, 2525926, 5051852, 10103704, 20207408]

約数ペア:

[(1, 20207408), (2, 10103704), (4, 5051852), (8, 2525926), (13, 1554416), (16, 1262963), (26, 777208), (52, 388604), (104, 194302), (208, 97151)]