20738242

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22109}}^1$

素因数の和:22185

約数の個数: 16

約数和(自身を含む): 36083520

約数和(自身を除く): 15345278

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22109, 44218, 154763, 309526, 1481303, 2962606, 10369121, 20738242]

約数ペア:

[(1, 20738242), (2, 10369121), (7, 2962606), (14, 1481303), (67, 309526), (134, 154763), (469, 44218), (938, 22109)]