20489192

素因数分解:

$2^3\times {\mathrm{269}}^1\times {\mathrm{9521}}^1$

素因数の和:9796

約数の個数: 16

約数和(自身を含む): 38564100

約数和(自身を除く): 18074908

約数列:

[1, 2, 4, 8, 269, 538, 1076, 2152, 9521, 19042, 38084, 76168, 2561149, 5122298, 10244596, 20489192]

約数ペア:

[(1, 20489192), (2, 10244596), (4, 5122298), (8, 2561149), (269, 76168), (538, 38084), (1076, 19042), (2152, 9521)]