20398952

素因数分解:

$2^3\times 7^1\times {\mathrm{364267}}^1$

素因数の和:364280

約数の個数: 16

約数和(自身を含む): 43712160

約数和(自身を除く): 23313208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364267, 728534, 1457068, 2549869, 2914136, 5099738, 10199476, 20398952]

約数ペア:

[(1, 20398952), (2, 10199476), (4, 5099738), (7, 2914136), (8, 2549869), (14, 1457068), (28, 728534), (56, 364267)]