20853628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2341}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 38952144

約数和(自身を除く): 18098516

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2341, 4454, 4682, 8908, 9364, 39797, 79594, 159188, 306671, 613342, 1226684, 5213407, 10426814, 20853628]

約数ペア:

[(1, 20853628), (2, 10426814), (4, 5213407), (17, 1226684), (34, 613342), (68, 306671), (131, 159188), (262, 79594), (524, 39797), (2227, 9364), (2341, 8908), (4454, 4682)]