20309576

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5413}}^1$

素因数の和:5493

約数の個数: 32

約数和(自身を含む): 44178240

約数和(自身を除く): 23868664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5413, 10826, 21652, 37891, 43304, 75782, 151564, 303128, 362671, 725342, 1450684, 2538697, 2901368, 5077394, 10154788, 20309576]

約数ペア:

[(1, 20309576), (2, 10154788), (4, 5077394), (7, 2901368), (8, 2538697), (14, 1450684), (28, 725342), (56, 362671), (67, 303128), (134, 151564), (268, 75782), (469, 43304), (536, 37891), (938, 21652), (1876, 10826), (3752, 5413)]