20840050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5413}}^1$

素因数の和:5443

約数の個数: 48

約数和(自身を含む): 48336192

約数和(自身を除く): 27496142

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5413, 10826, 27065, 37891, 54130, 59543, 75782, 119086, 135325, 189455, 270650, 297715, 378910, 416801, 595430, 833602, 947275, 1488575, 1894550, 2084005, 2977150, 4168010, 10420025, 20840050]

約数ペア:

[(1, 20840050), (2, 10420025), (5, 4168010), (7, 2977150), (10, 2084005), (11, 1894550), (14, 1488575), (22, 947275), (25, 833602), (35, 595430), (50, 416801), (55, 378910), (70, 297715), (77, 270650), (110, 189455), (154, 135325), (175, 119086), (275, 75782), (350, 59543), (385, 54130), (550, 37891), (770, 27065), (1925, 10826), (3850, 5413)]