2020009054

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{761}}^1$

素因数の和:1393

約数の個数: 64

約数和(自身を含む): 3871203840

約数和(自身を除く): 1851194786

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 587, 646, 761, 1174, 1522, 2261, 4109, 4522, 5327, 8218, 9979, 10654, 11153, 12937, 14459, 19958, 22306, 25874, 28918, 69853, 78071, 90559, 101213, 139706, 156142, 181118, 189601, 202426, 245803, 379202, 446707, 491606, 893414, 1327207, 1720621, 2654414, 3126949, 3441242, 6253898, 7594019, 8487433, 15188038, 16974866, 53158133, 59412031, 106316266, 118824062, 144286361, 288572722, 1010004527, 2020009054]

約数ペア:

[(1, 2020009054), (2, 1010004527), (7, 288572722), (14, 144286361), (17, 118824062), (19, 106316266), (34, 59412031), (38, 53158133), (119, 16974866), (133, 15188038), (238, 8487433), (266, 7594019), (323, 6253898), (587, 3441242), (646, 3126949), (761, 2654414), (1174, 1720621), (1522, 1327207), (2261, 893414), (4109, 491606), (4522, 446707), (5327, 379202), (8218, 245803), (9979, 202426), (10654, 189601), (11153, 181118), (12937, 156142), (14459, 139706), (19958, 101213), (22306, 90559), (25874, 78071), (28918, 69853)]