16820128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{40433}}^1$

素因数の和:40456

約数の個数: 24

約数和(自身を含む): 35662788

約数和(自身を除く): 18842660

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 40433, 80866, 161732, 323464, 525629, 646928, 1051258, 1293856, 2102516, 4205032, 8410064, 16820128]

約数ペア:

[(1, 16820128), (2, 8410064), (4, 4205032), (8, 2102516), (13, 1293856), (16, 1051258), (26, 646928), (32, 525629), (52, 323464), (104, 161732), (208, 80866), (416, 40433)]