16520816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79427}}^1$

素因数の和:79448

約数の個数: 20

約数和(自身を含む): 34471752

約数和(自身を除く): 17950936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 79427, 158854, 317708, 635416, 1032551, 1270832, 2065102, 4130204, 8260408, 16520816]

約数ペア:

[(1, 16520816), (2, 8260408), (4, 4130204), (8, 2065102), (13, 1270832), (16, 1032551), (26, 635416), (52, 317708), (104, 158854), (208, 79427)]