20135052981

素因数分解:

$3^4\times {\mathrm{1571}}^1\times {\mathrm{158231}}^1$

素因数の和:159814

約数の個数: 20

約数和(自身を含む): 30097625184

約数和(自身を除く): 9962572203

約数列:

[1, 3, 9, 27, 81, 1571, 4713, 14139, 42417, 127251, 158231, 474693, 1424079, 4272237, 12816711, 248580901, 745742703, 2237228109, 6711684327, 20135052981]

約数ペア:

[(1, 20135052981), (3, 6711684327), (9, 2237228109), (27, 745742703), (81, 248580901), (1571, 12816711), (4713, 4272237), (14139, 1424079), (42417, 474693), (127251, 158231)]