20662768

素因数分解:

$2^4\times 7^1\times {\mathrm{184489}}^1$

素因数の和:184504

約数の個数: 20

約数和(自身を含む): 45753520

約数和(自身を除く): 25090752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184489, 368978, 737956, 1291423, 1475912, 2582846, 2951824, 5165692, 10331384, 20662768]

約数ペア:

[(1, 20662768), (2, 10331384), (4, 5165692), (7, 2951824), (8, 2582846), (14, 1475912), (16, 1291423), (28, 737956), (56, 368978), (112, 184489)]