20667296

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49681}}^1$

素因数の和:49704

約数の個数: 24

約数和(自身を含む): 43819524

約数和(自身を除く): 23152228

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49681, 99362, 198724, 397448, 645853, 794896, 1291706, 1589792, 2583412, 5166824, 10333648, 20667296]

約数ペア:

[(1, 20667296), (2, 10333648), (4, 5166824), (8, 2583412), (13, 1589792), (16, 1291706), (26, 794896), (32, 645853), (52, 397448), (104, 198724), (208, 99362), (416, 49681)]