20007704

素因数分解:

$2^3\times {\mathrm{1117}}^1\times {\mathrm{2239}}^1$

素因数の和:3362

約数の個数: 16

約数和(自身を含む): 37564800

約数和(自身を除く): 17557096

約数列:

[1, 2, 4, 8, 1117, 2234, 2239, 4468, 4478, 8936, 8956, 17912, 2500963, 5001926, 10003852, 20007704]

約数ペア:

[(1, 20007704), (2, 10003852), (4, 5001926), (8, 2500963), (1117, 17912), (2234, 8956), (2239, 8936), (4468, 4478)]