20439414

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{13681}}^1$

素因数の和:13772

約数の個数: 24

約数和(自身を含む): 44822232

約数和(自身を除く): 24382818

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 13681, 27362, 41043, 82086, 123129, 246258, 1135523, 2271046, 3406569, 6813138, 10219707, 20439414]

約数ペア:

[(1, 20439414), (2, 10219707), (3, 6813138), (6, 3406569), (9, 2271046), (18, 1135523), (83, 246258), (166, 123129), (249, 82086), (498, 41043), (747, 27362), (1494, 13681)]