20782112

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49957}}^1$

素因数の和:49980

約数の個数: 24

約数和(自身を含む): 44062956

約数和(自身を除く): 23280844

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49957, 99914, 199828, 399656, 649441, 799312, 1298882, 1598624, 2597764, 5195528, 10391056, 20782112]

約数ペア:

[(1, 20782112), (2, 10391056), (4, 5195528), (8, 2597764), (13, 1598624), (16, 1298882), (26, 799312), (32, 649441), (52, 399656), (104, 199828), (208, 99914), (416, 49957)]