20985568

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{28513}}^1$

素因数の和:28546

約数の個数: 24

約数和(自身を含む): 43113168

約数和(自身を除く): 22127600

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 28513, 57026, 114052, 228104, 456208, 655799, 912416, 1311598, 2623196, 5246392, 10492784, 20985568]

約数ペア:

[(1, 20985568), (2, 10492784), (4, 5246392), (8, 2623196), (16, 1311598), (23, 912416), (32, 655799), (46, 456208), (92, 228104), (184, 114052), (368, 57026), (736, 28513)]