20424250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1$

素因数の和:1096

約数の個数: 64

約数和(自身を含む): 47713536

約数和(自身を除く): 27289286

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 125, 154, 175, 250, 275, 350, 385, 550, 770, 875, 1061, 1375, 1750, 1925, 2122, 2750, 3850, 5305, 7427, 9625, 10610, 11671, 14854, 19250, 23342, 26525, 37135, 53050, 58355, 74270, 81697, 116710, 132625, 163394, 185675, 265250, 291775, 371350, 408485, 583550, 816970, 928375, 1458875, 1856750, 2042425, 2917750, 4084850, 10212125, 20424250]

約数ペア:

[(1, 20424250), (2, 10212125), (5, 4084850), (7, 2917750), (10, 2042425), (11, 1856750), (14, 1458875), (22, 928375), (25, 816970), (35, 583550), (50, 408485), (55, 371350), (70, 291775), (77, 265250), (110, 185675), (125, 163394), (154, 132625), (175, 116710), (250, 81697), (275, 74270), (350, 58355), (385, 53050), (550, 37135), (770, 26525), (875, 23342), (1061, 19250), (1375, 14854), (1750, 11671), (1925, 10610), (2122, 9625), (2750, 7427), (3850, 5305)]