20342907

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19319}}^1$

素因数の和:19344

約数の個数: 20

約数和(自身を含む): 32728080

約数和(自身を除く): 12385173

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19319, 57957, 173871, 251147, 521613, 753441, 1564839, 2260323, 6780969, 20342907]

約数ペア:

[(1, 20342907), (3, 6780969), (9, 2260323), (13, 1564839), (27, 753441), (39, 521613), (81, 251147), (117, 173871), (351, 57957), (1053, 19319)]