20922440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6793}}^1$

素因数の和:6822

約数の個数: 64

約数和(自身を含む): 58700160

約数和(自身を除く): 37777720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6793, 13586, 27172, 33965, 47551, 54344, 67930, 74723, 95102, 135860, 149446, 190204, 237755, 271720, 298892, 373615, 380408, 475510, 523061, 597784, 747230, 951020, 1046122, 1494460, 1902040, 2092244, 2615305, 2988920, 4184488, 5230610, 10461220, 20922440]

約数ペア:

[(1, 20922440), (2, 10461220), (4, 5230610), (5, 4184488), (7, 2988920), (8, 2615305), (10, 2092244), (11, 1902040), (14, 1494460), (20, 1046122), (22, 951020), (28, 747230), (35, 597784), (40, 523061), (44, 475510), (55, 380408), (56, 373615), (70, 298892), (77, 271720), (88, 237755), (110, 190204), (140, 149446), (154, 135860), (220, 95102), (280, 74723), (308, 67930), (385, 54344), (440, 47551), (616, 33965), (770, 27172), (1540, 13586), (3080, 6793)]