20805168

素因数分解:

$2^4\times 3^1\times {\mathrm{149}}^1\times {\mathrm{2909}}^1$

素因数の和:3069

約数の個数: 40

約数和(自身を含む): 54126000

約数和(自身を除く): 33320832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 2909, 3576, 5818, 7152, 8727, 11636, 17454, 23272, 34908, 46544, 69816, 139632, 433441, 866882, 1300323, 1733764, 2600646, 3467528, 5201292, 6935056, 10402584, 20805168]

約数ペア:

[(1, 20805168), (2, 10402584), (3, 6935056), (4, 5201292), (6, 3467528), (8, 2600646), (12, 1733764), (16, 1300323), (24, 866882), (48, 433441), (149, 139632), (298, 69816), (447, 46544), (596, 34908), (894, 23272), (1192, 17454), (1788, 11636), (2384, 8727), (2909, 7152), (3576, 5818)]