20005528

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{35221}}^1$

素因数の和:35298

約数の個数: 16

約数和(自身を含む): 38039760

約数和(自身を除く): 18034232

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 35221, 70442, 140884, 281768, 2500691, 5001382, 10002764, 20005528]

約数ペア:

[(1, 20005528), (2, 10002764), (4, 5001382), (8, 2500691), (71, 281768), (142, 140884), (284, 70442), (568, 35221)]