20001616

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4513}}^1$

素因数の和:4798

約数の個数: 20

約数和(自身を含む): 38901652

約数和(自身を除く): 18900036

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4513, 9026, 18052, 36104, 72208, 1250101, 2500202, 5000404, 10000808, 20001616]

約数ペア:

[(1, 20001616), (2, 10000808), (4, 5000404), (8, 2500202), (16, 1250101), (277, 72208), (554, 36104), (1108, 18052), (2216, 9026), (4432, 4513)]