20177739

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 30730752

約数和(自身を除く): 10553013

約数列:

[1, 3, 9, 23, 69, 107, 207, 321, 911, 963, 2461, 2733, 7383, 8199, 20953, 22149, 62859, 97477, 188577, 292431, 877293, 2241971, 6725913, 20177739]

約数ペア:

[(1, 20177739), (3, 6725913), (9, 2241971), (23, 877293), (69, 292431), (107, 188577), (207, 97477), (321, 62859), (911, 22149), (963, 20953), (2461, 8199), (2733, 7383)]