20856880048

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6754171}}^1$

素因数の和:6754372

約数の個数: 20

約数和(自身を含む): 40619590408

約数和(自身を除く): 19762710360

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6754171, 13508342, 27016684, 54033368, 108066736, 1303555003, 2607110006, 5214220012, 10428440024, 20856880048]

約数ペア:

[(1, 20856880048), (2, 10428440024), (4, 5214220012), (8, 2607110006), (16, 1303555003), (193, 108066736), (386, 54033368), (772, 27016684), (1544, 13508342), (3088, 6754171)]