20384432

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{2503}}^1$

素因数の和:3020

約数の個数: 20

約数和(自身を含む): 39588240

約数和(自身を除く): 19203808

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 2503, 4072, 5006, 8144, 10012, 20024, 40048, 1274027, 2548054, 5096108, 10192216, 20384432]

約数ペア:

[(1, 20384432), (2, 10192216), (4, 5096108), (8, 2548054), (16, 1274027), (509, 40048), (1018, 20024), (2036, 10012), (2503, 8144), (4072, 5006)]