20966408

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16693}}^1$

素因数の和:16856

約数の個数: 16

約数和(自身を含む): 39564780

約数和(自身を除く): 18598372

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16693, 33386, 66772, 133544, 2620801, 5241602, 10483204, 20966408]

約数ペア:

[(1, 20966408), (2, 10483204), (4, 5241602), (8, 2620801), (157, 133544), (314, 66772), (628, 33386), (1256, 16693)]