20888144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68711}}^1$

素因数の和:68738

約数の個数: 20

約数和(自身を含む): 42601440

約数和(自身を除く): 21713296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68711, 137422, 274844, 549688, 1099376, 1305509, 2611018, 5222036, 10444072, 20888144]

約数ペア:

[(1, 20888144), (2, 10444072), (4, 5222036), (8, 2611018), (16, 1305509), (19, 1099376), (38, 549688), (76, 274844), (152, 137422), (304, 68711)]