20497071

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42437}}^1$

素因数の和:42470

約数の個数: 16

約数和(自身を含む): 32592384

約数和(自身を除く): 12095313

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42437, 127311, 297059, 891177, 976051, 2928153, 6832357, 20497071]

約数ペア:

[(1, 20497071), (3, 6832357), (7, 2928153), (21, 976051), (23, 891177), (69, 297059), (161, 127311), (483, 42437)]