20507072

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4513}}^1$

素因数の和:4596

約数の個数: 28

約数和(自身を含む): 41276016

約数和(自身を除く): 20768944

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4513, 4544, 9026, 18052, 36104, 72208, 144416, 288832, 320423, 640846, 1281692, 2563384, 5126768, 10253536, 20507072]

約数ペア:

[(1, 20507072), (2, 10253536), (4, 5126768), (8, 2563384), (16, 1281692), (32, 640846), (64, 320423), (71, 288832), (142, 144416), (284, 72208), (568, 36104), (1136, 18052), (2272, 9026), (4513, 4544)]