16842980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10937}}^1$

素因数の和:10964

約数の個数: 48

約数和(自身を含む): 44102016

約数和(自身を除く): 27259036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10937, 21874, 43748, 54685, 76559, 109370, 120307, 153118, 218740, 240614, 306236, 382795, 481228, 601535, 765590, 842149, 1203070, 1531180, 1684298, 2406140, 3368596, 4210745, 8421490, 16842980]

約数ペア:

[(1, 16842980), (2, 8421490), (4, 4210745), (5, 3368596), (7, 2406140), (10, 1684298), (11, 1531180), (14, 1203070), (20, 842149), (22, 765590), (28, 601535), (35, 481228), (44, 382795), (55, 306236), (70, 240614), (77, 218740), (110, 153118), (140, 120307), (154, 109370), (220, 76559), (308, 54685), (385, 43748), (770, 21874), (1540, 10937)]