20102798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7451}}^1$

素因数の和:7543

約数の個数: 16

約数和(自身を含む): 32192640

約数和(自身を除く): 12089842

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7451, 14902, 141569, 283138, 529021, 1058042, 10051399, 20102798]

約数ペア:

[(1, 20102798), (2, 10051399), (19, 1058042), (38, 529021), (71, 283138), (142, 141569), (1349, 14902), (2698, 7451)]