13243020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31531}}^1$

素因数の和:31550

約数の個数: 48

約数和(自身を含む): 42379008

約数和(自身を除く): 29135988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 31531, 63062, 94593, 126124, 157655, 189186, 220717, 315310, 378372, 441434, 472965, 630620, 662151, 882868, 945930, 1103585, 1324302, 1891860, 2207170, 2648604, 3310755, 4414340, 6621510, 13243020]

約数ペア:

[(1, 13243020), (2, 6621510), (3, 4414340), (4, 3310755), (5, 2648604), (6, 2207170), (7, 1891860), (10, 1324302), (12, 1103585), (14, 945930), (15, 882868), (20, 662151), (21, 630620), (28, 472965), (30, 441434), (35, 378372), (42, 315310), (60, 220717), (70, 189186), (84, 157655), (105, 126124), (140, 94593), (210, 63062), (420, 31531)]