20009872

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7229}}^1$

素因数の和:7410

約数の個数: 20

約数和(自身を含む): 38998620

約数和(自身を除く): 18988748

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7229, 14458, 28916, 57832, 115664, 1250617, 2501234, 5002468, 10004936, 20009872]

約数ペア:

[(1, 20009872), (2, 10004936), (4, 5002468), (8, 2501234), (16, 1250617), (173, 115664), (346, 57832), (692, 28916), (1384, 14458), (2768, 7229)]