20263473

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 32123520

約数和(自身を除く): 11860047

約数列:

[1, 3, 9, 17, 27, 51, 131, 153, 337, 393, 459, 1011, 1179, 2227, 3033, 3537, 5729, 6681, 9099, 17187, 20043, 44147, 51561, 60129, 132441, 154683, 397323, 750499, 1191969, 2251497, 6754491, 20263473]

約数ペア:

[(1, 20263473), (3, 6754491), (9, 2251497), (17, 1191969), (27, 750499), (51, 397323), (131, 154683), (153, 132441), (337, 60129), (393, 51561), (459, 44147), (1011, 20043), (1179, 17187), (2227, 9099), (3033, 6681), (3537, 5729)]