20109628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 24242372

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 109, 154, 218, 308, 436, 599, 763, 1198, 1199, 1526, 2396, 2398, 3052, 4193, 4796, 6589, 8386, 8393, 13178, 16772, 16786, 26356, 33572, 46123, 65291, 92246, 130582, 184492, 261164, 457037, 718201, 914074, 1436402, 1828148, 2872804, 5027407, 10054814, 20109628]

約数ペア:

[(1, 20109628), (2, 10054814), (4, 5027407), (7, 2872804), (11, 1828148), (14, 1436402), (22, 914074), (28, 718201), (44, 457037), (77, 261164), (109, 184492), (154, 130582), (218, 92246), (308, 65291), (436, 46123), (599, 33572), (763, 26356), (1198, 16786), (1199, 16772), (1526, 13178), (2396, 8393), (2398, 8386), (3052, 6589), (4193, 4796)]