20148238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12899}}^1$

素因数の和:12983

約数の個数: 16

約数和(自身を含む): 33436800

約数和(自身を除く): 13288562

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12899, 25798, 141889, 283778, 915829, 1831658, 10074119, 20148238]

約数ペア:

[(1, 20148238), (2, 10074119), (11, 1831658), (22, 915829), (71, 283778), (142, 141889), (781, 25798), (1562, 12899)]