20742254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18553}}^1$

素因数の和:18611

約数の個数: 16

約数和(自身を含む): 34287792

約数和(自身を除く): 13545538

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18553, 37106, 241189, 482378, 797779, 1595558, 10371127, 20742254]

約数ペア:

[(1, 20742254), (2, 10371127), (13, 1595558), (26, 797779), (43, 482378), (86, 241189), (559, 37106), (1118, 18553)]