20343790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 39508560

約数和(自身を除く): 19164770

約数列:

[1, 2, 5, 10, 29, 41, 58, 59, 82, 118, 145, 205, 290, 295, 410, 590, 841, 1189, 1682, 1711, 2378, 2419, 3422, 4205, 4838, 5945, 8410, 8555, 11890, 12095, 17110, 24190, 34481, 49619, 68962, 70151, 99238, 140302, 172405, 248095, 344810, 350755, 496190, 701510, 2034379, 4068758, 10171895, 20343790]

約数ペア:

[(1, 20343790), (2, 10171895), (5, 4068758), (10, 2034379), (29, 701510), (41, 496190), (58, 350755), (59, 344810), (82, 248095), (118, 172405), (145, 140302), (205, 99238), (290, 70151), (295, 68962), (410, 49619), (590, 34481), (841, 24190), (1189, 17110), (1682, 12095), (1711, 11890), (2378, 8555), (2419, 8410), (3422, 5945), (4205, 4838)]