20740216

素因数分解:

$2^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{967}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 44605440

約数和(自身を除く): 23865224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383, 766, 967, 1532, 1934, 2681, 3064, 3868, 5362, 6769, 7736, 10724, 13538, 21448, 27076, 54152, 370361, 740722, 1481444, 2592527, 2962888, 5185054, 10370108, 20740216]

約数ペア:

[(1, 20740216), (2, 10370108), (4, 5185054), (7, 2962888), (8, 2592527), (14, 1481444), (28, 740722), (56, 370361), (383, 54152), (766, 27076), (967, 21448), (1532, 13538), (1934, 10724), (2681, 7736), (3064, 6769), (3868, 5362)]