20655376

素因数分解:

$2^4\times 7^1\times {\mathrm{311}}^1\times {\mathrm{593}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 45961344

約数和(自身を除く): 25305968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 311, 593, 622, 1186, 1244, 2177, 2372, 2488, 4151, 4354, 4744, 4976, 8302, 8708, 9488, 16604, 17416, 33208, 34832, 66416, 184423, 368846, 737692, 1290961, 1475384, 2581922, 2950768, 5163844, 10327688, 20655376]

約数ペア:

[(1, 20655376), (2, 10327688), (4, 5163844), (7, 2950768), (8, 2581922), (14, 1475384), (16, 1290961), (28, 737692), (56, 368846), (112, 184423), (311, 66416), (593, 34832), (622, 33208), (1186, 17416), (1244, 16604), (2177, 9488), (2372, 8708), (2488, 8302), (4151, 4976), (4354, 4744)]