20428866

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 47401848

約数和(自身を除く): 26972982

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 101, 102, 153, 202, 303, 306, 606, 661, 909, 1322, 1717, 1818, 1983, 3434, 3966, 5151, 5949, 10302, 11237, 11898, 15453, 22474, 30906, 33711, 66761, 67422, 101133, 133522, 200283, 202266, 400566, 600849, 1134937, 1201698, 2269874, 3404811, 6809622, 10214433, 20428866]

約数ペア:

[(1, 20428866), (2, 10214433), (3, 6809622), (6, 3404811), (9, 2269874), (17, 1201698), (18, 1134937), (34, 600849), (51, 400566), (101, 202266), (102, 200283), (153, 133522), (202, 101133), (303, 67422), (306, 66761), (606, 33711), (661, 30906), (909, 22474), (1322, 15453), (1717, 11898), (1818, 11237), (1983, 10302), (3434, 5949), (3966, 5151)]