20158768

素因数分解:

$2^4\times 7^1\times {\mathrm{179989}}^1$

素因数の和:180004

約数の個数: 20

約数和(自身を含む): 44637520

約数和(自身を除く): 24478752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179989, 359978, 719956, 1259923, 1439912, 2519846, 2879824, 5039692, 10079384, 20158768]

約数ペア:

[(1, 20158768), (2, 10079384), (4, 5039692), (7, 2879824), (8, 2519846), (14, 1439912), (16, 1259923), (28, 719956), (56, 359978), (112, 179989)]